Shimano GRX 810 Brake CaliperThis stunning caliper is specifically designed for achieving top-level braking performance on rough roads, gravel and mud. It features some of the finest Shimano technologies around, such as Ice Tech which delivers excellent heat dissipation, less fade and less noise. Simple to set up and maintain, this superb model is ideal for riders who want to enjoy superior multi-surface braking control wherever the road takes you.Features: Use: Gravel, Road Speed: 11 speed Excellent heat dissipation Convenient tool access Simple wheel replacement Easy and clean bleeding system Technologies: Ice Technologies: The fade, which can occur to disc brake rotor's and pad's when braking on a long downhill ride has a negative impact on the braking performance. Shimano has adopted Ice Technologies disc brake rotor and Ice Technologies pad to realise the cooling technology for consistent performance. The clad disc brake rotor blade, which has a 3 layer-sandwich structure of stainless steel, aluminium and stainless steel, provides better radiation performance achieving from 400˚C to 300˚C surface temperature. Also, the radiation fin has been adopted for the pad. Moreover, the clad disc brake rotor blade and the radiator fin provide long pad life, less noise, less fade and lightweight. One Way Bleeding: One Way Bleeding was developed for quick and easy prevention of air in our hydraulic system. We have streamlined the oil route throughout the system to prevent air bubbles from being captured in the system. One-way oil routing plus a funnel tool with mineral oil provides an easy and clean bleeding system.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano GRX 810 Brake CaliperThis stunning caliper is specifically designed for achieving top-level braking performance on rough roads, gravel and mud. It features some of the finest Shimano technologies around, such as Ice Tech which delivers excellent heat dissipation, less fade and less noise. Simple to set up and maintain, this superb model is ideal for riders who want to enjoy superior multi-surface braking control wherever the road takes you.Features: Use: Gravel, Road Speed: 11 speed Excellent heat dissipation Convenient tool access Simple wheel replacement Easy and clean bleeding system Technologies: Ice Technologies: The fade, which can occur to disc brake rotor's and pad's when braking on a long downhill ride has a negative impact on the braking performance. Shimano has adopted Ice Technologies disc brake rotor and Ice Technologies pad to realise the cooling technology for consistent performance. The clad disc brake rotor blade, which has a 3 layer-sandwich structure of stainless steel, aluminium and stainless steel, provides better radiation performance achieving from 400˚C to 300˚C surface temperature. Also, the radiation fin has been adopted for the pad. Moreover, the clad disc brake rotor blade and the radiator fin provide long pad life, less noise, less fade and lightweight. One Way Bleeding: One Way Bleeding was developed for quick and easy prevention of air in our hydraulic system. We have streamlined the oil route throughout the system to prevent air bubbles from being captured in the system. One-way oil routing plus a funnel tool with mineral oil provides an easy and clean bleeding system.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano GRX 810 Dropper Release Disc BrakeReady to thrive in the toughest terrain, the GRX 810 Dropper Release Disc Brake brings you fine speed control and outstanding stopping power in all riding conditions. The perfect addition to your multi terrain gravel bike, Shimano has also added mechanical dropper seatpost control. This means you can easily change your saddle height for a climb or descent without changing your hand position, which is key for staying in control as you’re riding at your limits.Whether you're tackling a challenging downhill descent or exploring new terrain types, you'll benefit from its integrated cable pulling system with an 8.3mm max cable stroke delivering instant saddle height control. Enjoy the freedom of being able to easily raise and lower your dropper based on the terrain conditions with minimal effort from this sleek model.Heat Resistant Disc BrakePacked with some of the finest Shimano technologies around such as reach adjustment, you can fine-tune its feel to suit your hand size, type of riding and individual preferences. Taking braking a step further, its Servo Wave technology makes the initial pad travel fast, so little lever movement is needed to bring the pads into contact with the rotor. This increases your stopping power output rapidly and gives you improved control. Easy to set up and maintain, this disc brake's caliper delivers excellent heat dissipation for greater multi-surface braking control. Its Ice Tech technology allows you to benefit from its high rigidity with an optimised, lightweight construction.Features:Shifter Type: Single lever for adjustable seat postFront or Rear: Front brake with left-hand lever (UK spec)Single or Pair: SingleSpeed: N/A (brake only with dropper post control)Use: Gravel, Road Oil Type: Mineral oilMount: Flat mountReach Adjust: TooledHandlebar Clamp Band Inner Diameter: 23.8-24.2mmAnti-slip ribbed surface texture and brake lever coating Easy and clean bleeding systemSimple wheel replacementIce TechnologiesConvenient tool accessManufacturer's Part Number: ST-RX810-LAWeight: 263gTechnologies:Servo Wave Action: When you pull a Servo Wave brake lever, initial pad travel is fast, so little lever movement is needed to bring the pads into contact with the rotor. The power multiplication factor then increases rapidly at the pad-to-rim contact so more of the lever stroke is used to apply greater braking power with improved controlReach Adjust: Brake lever is equipped with a reach adjust mechanism. The distance from the handlebar grip to lever can be adjusted to suit any hand size, type of riding and individual rider preferencesDual Control Lever: Ergonomic innovation is probably more critical to the higher standard performance than the added gearing. The shift internals borrows the robustness from Shimano's MTB technology and are so smooth and effortless that one finger shifts front and rear are possible. Indeed, shifting is the ultimate act of Shimano Total Integration, and simply has to be experienced to be understoodIce Technologies: XTR, SAINT, DEORE XT, SLX, ZEE, DEORE LX calipers are bundled with an Ice Technology piston to achieve optimised lightweight, high rigidity and heat dissipation. Oversized pistons transfer hydraulic power directly to the brake pad, and ceramic material is used to avoid heat transfer for constant stable braking, providing efficient stopping power transfer without lossOne Way Bleeding: One Way Bleeding was developed for quick and easy prevention of air in our hydraulic system. We have streamlined the oil route throughout the system to prevent air bubbles from being captured in the system. One-way oil routing plus a funnel tool with mineral oil provides an easy and clean bleeding systemClick HERE to check out the Shimano Brake Reference Guides.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano GRX 810 Left Hand Gravel Disc BrakeThis tough lever is specifically designed for riding on rough roads, gravel and mud as it gives you superior braking proficiency. Shimano has installed an anti-slip brake lever on this model, so you can enjoy smooth and reliable stopping power in any weather or terrain conditions. For riders who want to take their rough road cycling further than ever before and across mixed terrain conditions, this is an ideal choice of upgrade. Adjustable Gravel Brake LeverFeaturing some of the finest Shimano technologies, this stunning example allows you to benefit from an overall more enjoyable riding experience. Its Servo Wave Action technology delivers fast braking efficiency between your pads and rotor, so you can enjoy more rapid braking power and control. What's most impressive, is this model also features reach adjust technology which allows you to precisely customise its feel to suit your hand size, riding style and individual rider preferences. Features: Use: Gravel, Road Reach Adjust: Tooled Servo Wave Action Anti-slip lever Greater mixed terrain control Technologies: Servo Wave Action: When you pull a Servo Wave brake lever, initial pad travel is fast, so little lever movement is needed to bring the pads into contact with the rotor. The power multiplication factor then increases rapidly at the pad-to-rim contact so more of the lever stroke is used to apply greater braking power with improved control.Reach Adjust: Its brake lever is equipped with a reach adjust mechanism. The distance from handlebar grip to lever can be adjusted to suit any hand size, type of riding and individual rider preferences.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano GRX 810 2x11 Speed Disc BrakeThis highly-efficient 11 speed disc brake is perfect for gravel riding as it delivers greater mixed-terrain control. Its lever features the same light shifting operation as top tier systems, so you can enjoy outstanding stopping power at an affordable price. Simple to set up and maintain, its caliper uses some of the best Shimano technologies such as Ice Tech, which allows for excellent heat dissipation even under load. Bringing you greater multi-surface braking control, this brake is a perfect choice of upgrade for riders who want to take their adventures further than before.Features: Use: Gravel, Road Speed: 11 speed Reach Adjust: Tooled Oil: Mineral oil Excellent heat dissipation Convenient tool access Easy and clean bleeding system Simple set up and maintenance Technologies: Shimano Index System: Every Shimano equipped multi-gear bicycle includes Shimano S.I.S - Shimano Indexed Shifting. It's the technology behind that "click" you hear and feel every time you shift through your gears. That "click" captures the light, precise, and consistent shifting bikes equipped with Shimano deliver. It's the sound of perfect gear changes, of levers directing derailleurs in harmony, and the feeling that resonates into your hand, letting you know that your commands are being answered. Servo Wave Action: When you pull a Servo Wave brake lever, initial pad travel is fast, so little lever movement is needed to bring the pads into contact with the rotor. The power multiplication factor then increases rapidly at the pad-to-rim contact so more of the lever stroke is used to apply greater braking power with improved control. Reach Adjust: Each brake lever is equipped with a reach adjust mechanism. The distance from the handlebar grip to lever can be adjusted to suit any hand size, type of riding and individual rider preferences. Dual Control Lever: The Dual Control Lever has brake and shifting functions in the system and enables easy operation. Ergonomic innovation is probably more critical to the higher standard performance than the added gearing. The shift internals borrow the robustness from our MTB technology and are so smooth and effortless that one finger shifts front and rear are possible. Indeed, shifting is the ultimate act of Shimano Total Integration and simply must be experienced to be understood. Ice Technologies: The fade, which can occur to disc brake rotor and pad when braking on a long downhill ride has a negative impact on the braking performance. Shimano has adopted Ice Technologies disc brake rotor and Ice Technologies pad to realize the cooling technology for consistent performance. The clad disc brake rotor blade, which has a 3 layer-sandwich structure of stainless steel, aluminium and stainless steel, provides better radiation performance achieving from 400˚C to 300˚C surface temperature. Also, the radiation fin has been adopted for the pad. Moreover, the clad disc brake rotor blade and the radiator fin provide long pad life, less noise, less fade and lightweight. One Way Bleeding: One Way Bleeding was developed for quick and easy prevention of air in our hydraulic system. We have streamlined the oil route throughout the system to prevent air bubbles from being captured in the system. One-way oil routing plus a funnel tool with mineral oil provides an easy and clean bleeding system.Click HERE to check out the Shimano Brake Reference Guides.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano GRX 400 Brake CaliperReady for adventure, the GRX400 gives you hesitation-free operation as you conquer rough roads, gravel and mud. Shimano has also made bleeding easy and clean thanks to its one way bleeding system, which prevents air from getting into the system. With a streamlined oil route throughout the system to prevent air bubbles from being captured, you'll enjoy more efficient maintenance when required.Heat Resistant Gravel Brake CaliperTaking your braking set-up a step further, this caliper's piston uses Ice Tech technologies which avoid the negative impacts of long rides, especially on downhill journeys. Furthermore, its technology does this by using ceramic material to avoid heat transfer for constant stable braking, providing efficient stopping power without loss. PLus, it features convenient tool access for simple wheel replacement and installation.Features: Use: Gravel, Road Mount: Flat mount Excellent heat dissipation Convenient tool access Simple wheel replacement Easy and clean bleeding system Never hesitate to tackle rough surfacesSimple set up and maintenanceTechnologies: Reach Adjust: Brake lever is equipped with a reach adjust mechanism. The distance from handlebar grip to lever can be adjusted to suit any hand size, type of riding and individual rider preferences. Click HERE to check out the Shimano Brake Reference Guides.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano GRX 400 Brake CaliperReady for adventure, the GRX400 gives you hesitation-free operation as you conquer rough roads, gravel and mud. Shimano has also made bleeding easy and clean thanks to its one way bleeding system, which prevents air from getting into the system. With a streamlined oil route throughout the system to prevent air bubbles from being captured, you'll enjoy more efficient maintenance when required.Heat Resistant Gravel Brake CaliperTaking your braking set-up a step further, this caliper's piston uses Ice Tech technologies which avoid the negative impacts of long rides, especially on downhill journeys. Furthermore, its technology does this by using ceramic material to avoid heat transfer for constant stable braking, providing efficient stopping power without loss. PLus, it features convenient tool access for simple wheel replacement and installation.Features: Use: Gravel, Road Mount: Flat mount Excellent heat dissipation Convenient tool access Simple wheel replacement Easy and clean bleeding system Never hesitate to tackle rough surfacesSimple set up and maintenanceTechnologies: Reach Adjust: Brake lever is equipped with a reach adjust mechanism. The distance from handlebar grip to lever can be adjusted to suit any hand size, type of riding and individual rider preferences. Click HERE to check out the Shimano Brake Reference Guides.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano GRX 600 2x11 Speed Gravel Disc BrakeThis stunning disc brake provides you with the stopping power and precision needed to tackle all the challenges of gravel riding. Its off-road inspired lever and bracket ergonomics deliver superior mixed terrain control, so you can easily ride across rough roads even in muddy conditions. Shimano has also raised the benchmark for maintaining a strong grip and modulation in any conditions by making the lever from anti-slip construction. Adjustable Gravel Disc BrakeFeaturing some of the best Shimano technologies available, you'll be able to conquer your next adventure, wherever the road takes you. Its reach adjust technology allows you to precisely customise its feel to suit your hand size, riding style and individual rider preferences. Topping it off is its Servo Wave Action technology which delivers fast braking efficiency between your pads and rotor, so you can enjoy more rapid braking power and control. Features: Use: Gravel, Road Speed: 2x11 speed Oil: Mineral oil Reach Adjust: Tooled Clamp Band Inner Diameter: 23.8 - 24.2mm Type: Dual control lever Technologies:Reach Adjust: Its brake lever is equipped with a reach adjust mechanism. The distance from handlebar grip to lever can be adjusted to suit any hand size, type of riding and individual rider preferences. Ice Technologies: The fade, which can occur to disc brake rotor and pad when braking on a long downhill ride has a negative impact on the braking performance. Shimano has adopted Ice Technologies disc brake rotor and Ice Technologies pad to realise the cooling technology for consistent performance. The clad disc brake rotor blade, which has a 3 layer-sandwich structure of stainless steel, aluminium and stainless steel, provides better radiation performance achieving from 400˚C to 300˚C surface temperature. Also, the radiation fin has been adopted for the pad. Moreover, the clad disc brake rotor blade and the radiator fin provide long pad life, less noise, less fade and lightweight. One Way Bleeding: One Way Bleeding was developed for quick and easy prevention of air in our hydraulic system. We have streamlined the oil route throughout the system to prevent air bubbles from being captured in the system. One way oil routing plus a funnel tool with mineral oil provides an easy and clean bleeding system.Click HERE to check out the Shimano Brake Reference Guides.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano GRX 600 2x11 Speed Gravel Disc BrakeThis stunning disc brake provides you with the stopping power and precision needed to tackle all the challenges of gravel riding. Its off-road inspired lever and bracket ergonomics deliver superior mixed terrain control, so you can easily ride across rough roads even in muddy conditions. Shimano has also raised the benchmark for maintaining a strong grip and modulation in any conditions by making the lever from anti-slip construction. Adjustable Gravel Disc BrakeFeaturing some of the best Shimano technologies available, you'll be able to conquer your next adventure, wherever the road takes you. Its reach adjust technology allows you to precisely customise its feel to suit your hand size, riding style and individual rider preferences. Topping it off is its Servo Wave Action technology which delivers fast braking efficiency between your pads and rotor, so you can enjoy more rapid braking power and control. Features: Use: Gravel, Road Speed: 2x11 speed Oil: Mineral oil Reach Adjust: Tooled Clamp Band Inner Diameter: 23.8 - 24.2mm Type: Dual control lever Technologies:Reach Adjust: Its brake lever is equipped with a reach adjust mechanism. The distance from handlebar grip to lever can be adjusted to suit any hand size, type of riding and individual rider preferences. Ice Technologies: The fade, which can occur to disc brake rotor and pad when braking on a long downhill ride has a negative impact on the braking performance. Shimano has adopted Ice Technologies disc brake rotor and Ice Technologies pad to realise the cooling technology for consistent performance. The clad disc brake rotor blade, which has a 3 layer-sandwich structure of stainless steel, aluminium and stainless steel, provides better radiation performance achieving from 400˚C to 300˚C surface temperature. Also, the radiation fin has been adopted for the pad. Moreover, the clad disc brake rotor blade and the radiator fin provide long pad life, less noise, less fade and lightweight. One Way Bleeding: One Way Bleeding was developed for quick and easy prevention of air in our hydraulic system. We have streamlined the oil route throughout the system to prevent air bubbles from being captured in the system. One way oil routing plus a funnel tool with mineral oil provides an easy and clean bleeding system.Click HERE to check out the Shimano Brake Reference Guides.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano GRX 400 2x10 Speed Gravel Disc BrakeThis solid disc brake combination features a flat mount caliper and an anti-slip lever for outstanding stopping power on gravel roads. Its lever features off-road inspired ergonomics for greater mixed terrain control and the same light shifting operation as top tier systems. You'll never have to hesitate when tackling rough surfaces as its caliper delivers excellent heat dissipation which prolongs its longevity and performance.Features: Material: Aluminium Use: Gravel, Road Speed: 11 speed Max Multiple Shifts: 2 Caliper Mount: Flat Mount Reach Adjust: Tooled Type: Dual Control Pads: L03A Resin with fin Brake Fluid: Mineral oilTechnologies: Shimano Index System: Every Shimano equipped multi-gear bicycle includes Shimano S.I.S - Shimano Indexed Shifting. It's the technology behind that "click" you hear and feel every time you shift through your gears. That "click" captures the light, precise, and consistent shifting bikes equipped with Shimano deliver. It's the sound of perfect gear changes, of levers directing derailleurs in harmony and the feeling that resonate into your hand, letting you know that your commands are being answered. Reach Adjust: Brake lever is equipped with a reach adjust mechanism. The distance from the handlebar grip to lever can be adjusted to suit any hand size, type of riding and individual rider preferences. Ice Technologies: The fade, which can occur to disc brake rotor and pad when braking on a long downhill ride, has a negative impact on the braking performance. Shimano has adopted Ice Technologies disc brake rotor and Ice Technologies pad to realise the cooling technology for consistent performance. The clad disc brake rotor blade, which has a 3 layer-sandwich structure of stainless steel, aluminium and stainless steel, provides better radiation performance achieving from 400˚C to 300˚C surface temperature. Also, the radiation fin has been adopted for the pad. Moreover, the clad disc brake rotor blade and the radiator fin provide long pad life, less noise, less fade and lightweight. One Way Bleeding: One Way Bleeding was developed for quick and easy prevention of air in our hydraulic system. Shimano has streamlined the oil route throughout the system to prevent air bubbles from being captured in the system. One way oil routing plus a funnel tool with mineral oil provides an easy and clean bleeding system.Click HERE to check out the Shimano Brake Reference Guides.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano GRX 400 2x10 Speed Gravel Disc BrakeThis solid disc brake combination features a flat mount caliper and an anti-slip lever for outstanding stopping power on gravel roads. Its lever features off-road inspired ergonomics for greater mixed terrain control and the same light shifting operation as top tier systems. You'll never have to hesitate when tackling rough surfaces as its caliper delivers excellent heat dissipation which prolongs its longevity and performance.Features: Material: Aluminium Use: Gravel, Road Speed: 11 speed Max Multiple Shifts: 2 Caliper Mount: Flat Mount Reach Adjust: Tooled Type: Dual Control Pads: L03A Resin with fin Brake Fluid: Mineral oilTechnologies: Shimano Index System: Every Shimano equipped multi-gear bicycle includes Shimano S.I.S - Shimano Indexed Shifting. It's the technology behind that "click" you hear and feel every time you shift through your gears. That "click" captures the light, precise, and consistent shifting bikes equipped with Shimano deliver. It's the sound of perfect gear changes, of levers directing derailleurs in harmony and the feeling that resonate into your hand, letting you know that your commands are being answered. Reach Adjust: Brake lever is equipped with a reach adjust mechanism. The distance from the handlebar grip to lever can be adjusted to suit any hand size, type of riding and individual rider preferences. Ice Technologies: The fade, which can occur to disc brake rotor and pad when braking on a long downhill ride, has a negative impact on the braking performance. Shimano has adopted Ice Technologies disc brake rotor and Ice Technologies pad to realise the cooling technology for consistent performance. The clad disc brake rotor blade, which has a 3 layer-sandwich structure of stainless steel, aluminium and stainless steel, provides better radiation performance achieving from 400˚C to 300˚C surface temperature. Also, the radiation fin has been adopted for the pad. Moreover, the clad disc brake rotor blade and the radiator fin provide long pad life, less noise, less fade and lightweight. One Way Bleeding: One Way Bleeding was developed for quick and easy prevention of air in our hydraulic system. Shimano has streamlined the oil route throughout the system to prevent air bubbles from being captured in the system. One way oil routing plus a funnel tool with mineral oil provides an easy and clean bleeding system.Click HERE to check out the Shimano Brake Reference Guides.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano GRX 817 Di2 1x11sp Rear DerailleurThis stunning rear mech is engineered to give you perfect shifting performance when riding on rough roads, gravel and muddy conditions. Ready to take on any challenge, the RX817 features an adjustable chain stabiliser which prevents chain slapping and drops. Shimano has also included a switch stabiliser which can be set to on/off to match the terrain conditions, which allows you more freedom to explore the unknown. Gravel-Tuned Rear ShiftingInspired by off-road groupsets, you'll enjoy its silent and uninterrupted rear shifting on harsher terrain conditions, where most common systems would fail. Whether you're planning a new adventure or joining friends after work for a ride out, this superb model's gravel-tuned clutch makes gear changing a breeze in any situation.Smooth and reliable, this rear derailleur features some of the finest technologies to keep you riding at the top of your game. Its revolutionary Di2 shifting system solves many of the challenges that mechanical systems face with the use of state-of-the-art electronics. This technology gives you instant, accurate and lightning-fast shifts every time you ride, at the push of a button. You'll also be able to change gear when under heavy load while climbing and accelerating for a top-level shifting experience.Features: Use: Gravel, Road Speed: 11 speed Link Bushings: 4 fluoric coated link bushings Low Sprocket Max: 42T Low Sprocket Min: 40T Top Sprocket Max: 11T Top Sprocket Min: 11T Total Capacity: 31T Spring Type: Shadow RD+Technologies: Di2: The revolutionary DI2 shifting system solves the challenges drivetrains present to the power-delivery equation in cycling. DI2 gives you instant, accurate, lighting-fast shifts the first and every time, at the push of a button. Even in the most extreme conditions, shifting is precise and controlled. You can change gear even under heavy load while climbing or accelerating. With DI2, you are in complete control. E Tube: The E-TUBE platform's “Plug & play” and D-FLY wireless connections make it easier than ever to check the system's status, and apply customized settings to DI2 and Shimano Steps components with a PC, tablet or smart phone. SEIS: The SEIS innovative shift technology is still based on the Shimano Index System (SIS) that has proved its superior gear changing characteristics over the years. The big difference is that in this case, the shifting action is provided for by electronics instead of mechanics. This electronic shifting system has been extensively tested over past two years by several professional riders in all conditions possible, such as rain, mud, low temperatures, cobble stone roads and combinations of all of these at the same time. Shifting is executed by simply pressing the button. No power is needed to shift, which gives important advantages since it is easier now to always keep a tight grip on the handlebar and to keep your concentration on riding instead on shifting. Shadow RD+: Less distraction quiet drive train. Rear derailleur stabilizer reduces chain slap. Simple solution for chain drop. Lighter and more efficient than roller type chain device. A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.