Shimano Ultegra R8150 Di2 12 Sp Rear DerailleurEngineered to offer rapid and precise gear shifting, the Ultegra R8150 Di2 12 Speed Rear Derailleur from Shimano is the most efficient and reliable 12-Speed derailleur available. It's compatible with Shimano Di2 electronic drivetrain systems, which enables you to click through the 12-Speed gear range with minimal effort and the utmost accuracy.Now simplified with a single derailleur cage length, the new 12-Speed Shimano Ultegra R8150 rear derailleur packs the fastest, most precise shifting on the market into a more affordable option. With the fastest, most accurate shifting on the market, the new 12-Speed Ultegra R8150 rear derailleur is more versatile than ever thanks to a single cage length option compatible with 11-28, 11-30, and 11-34 cassettes. Shimano Di2 Electronic Drivetrain PerformanceThanks to its lightning-fast, accurate, and reliable shifting performance, Di2 puts riders in complete control and ensures a seamless interface between the cyclist and bike like never before. Creating and continually improving the world's best shifting is a complicated undertaking requiring constant technological advancements. From hardware to software, Shimano Di2 technology is on the cutting edge, striving to deliver the best rider experience possible now and in the future. Shimano E-Tube CompatibleE-Tube is Shimano's “service” that uses websites or apps to maximize the enjoyment of riding a bicycle by connecting the riders, the bicycles and Shimano. Shimano's genuine application E-Tube Project for Mobile allows you to customize your bike, update firmware, and maintain it by connecting it wirelessly to your bike. You can also get more detailed bike maintenance by connecting to your bike by wire with E-Tube Project via the Windows V4 application. Direct Mount CompatibleRear wheels are easier to remove with a mounting option for Shimano Shadow RD and Shimano Shadow RD+. The direct mount feature is designed to suit a wide range of contemporary frames with large-section chainstays, in particular, mountain bikes with thru-axle dropouts. Shimano Shadow Low-Profile Rear DerailleurThe mechanism rear derailleur, Shimano Shadow RD, is intended for more aggressive riding. Its super low profile design carries many benefits. Because of its low profile and single tension construction, the derailleur does not hit the chain stay in rough riding conditions. The result is smooth and silent performance. Features: Fastest ever rear shifting, 58% faster than RD-R9150 Compact design includes an integrated wireless unit, charger, and switch LED status indicator Battery indicator Pairing Adjust mode, etc. Wider range capacity Max. Low Sprocket: 34T Speeds: 12-Speed Weight: 262gA 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 Ultegra R8150 Di2 12 Sp Front DerailleurThe Ultegra R8150 Di2 12 Speed Front Derailleur from Shimano is compatible with Shimano Di2 electronic 12-Speed drivetrain systems and is smaller, sleeker and lighter than previous models. Shifting across front chainrings with the utmost efficiency and smoothness, this electronic front derailleur features Shimano Hyperglide+ technology for the fastest and most reliable gear shifting available.More compact and faster than ever, the Ultegra R8150 front derailleur performs digitally precise front shifts under any circumstances. Combining Shimano's new Di2 platform and the road incarnation of HYPERGLIDE+, the Ultegra R8150 front derailleur shifts between chainrings with the fastest, most seamless action on the market. Shimano E-Tube CompatibleE-Tube is Shimano's “service” that uses websites or apps to maximize the enjoyment of riding a bicycle by connecting the riders, the bicycles and Shimano. Shimano's genuine application E-Tube Project for Mobile allows you to customize your bike, update firmware, and maintain it by connecting it wirelessly to your bike. You can also get more detailed bike maintenance by connecting to your bike by wire with E-Tube Project via the Windows V4 application. HYPERGLIDE+ OptimisedHYPERGLIDE+ dedicated chain technology delivers greater chain retention, improved shifting efficiency, and smoother transmission over rough terrain. Improved chain retention encourages more aggressive all-terrain riding and relieves chain-issue anxiety. Smoother drivetrain transmission and enhanced shifting performance sharpens riders' concentration and improves acceleration. Better chain engagement cuts abrasion, reduces maintenance, and lengthens the lifespan of the chain. Features: Fastest ever front shifting, 45% faster than FD-R9150 Series: Ultegra R8100 Series Smaller, sleeker, lighter Frontal area reduced by 33% Top gear teeth capacity: 50-54T Chainline: 44.5mm Chainstay Angle: 61 - 66 Degrees Compatible Chain: HG 12-Speed Top Gear Teeth: 50-54T; Total Capacity: 16T Weight: 110gA 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 Acera M360 7/8sp Rear DerailleurThe Shimano Acera M360 7/8-Speed Rear Mech offers precise shifting and over-size pulleys for a wide gear choice. This rear mountain bike derailleur is compatible with 7 and 8-speed drivetrains and the included extension spring and low-friction fluorine-coated link pivot bushing result in a light shifting action.Features: Speed: 7 and 8-speed compatible Cage Type: Long cage Mounting: Conventional Clutch Option: No Compatibility: Mountain bikes and City bikes with Shimano 7 or 8 speed flat bar shifters Oversize 13-tooth tension and guide pulleys to reduce noise and wear Extension spring and low-friction fluorine-coated link pivot bushing result in a light shifting action Top normal spring for use with RapidFire shifters Recommended Chains: IG (Interglide) and HG (Hyperglide) chain For use with 28 to 34 tooth low rear sprockets Capacity: 43 teeth Weight: 340g (approx)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 Acera M360 7/8sp Rear DerailleurThe Shimano Acera M360 7/8-Speed Rear Mech offers precise shifting and over-size pulleys for a wide gear choice. This rear mountain bike derailleur is compatible with 7 and 8-speed drivetrains and the included extension spring and low-friction fluorine-coated link pivot bushing result in a light shifting action.Features: Speed: 7 and 8-speed compatible Cage Type: Long cage Mounting: Conventional Clutch Option: No Compatibility: Mountain bikes and City bikes with Shimano 7 or 8 speed flat bar shifters Oversize 13-tooth tension and guide pulleys to reduce noise and wear Extension spring and low-friction fluorine-coated link pivot bushing result in a light shifting action Top normal spring for use with RapidFire shifters Recommended Chains: IG (Interglide) and HG (Hyperglide) chain For use with 28 to 34 tooth low rear sprockets Capacity: 43 teeth Weight: 340g (approx)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 Deore M592 9sp Rear DerailleurThis tough and well-designed Shimano Deore rear derailleur adopts technologies that trickle-down from Shimano’s higher-spec models. It incorporates the “Shadow” design, which brings the derailleur cage closer to the bike’s frame, reducing the risk of damage from the hazards of the trails. This 9-speed rear mech is constructed with a mixture of alloy and steel components, giving you the strength and durability to hit the trails with confidence.Features: Material: Alloy and Steel Speed: 9-speed Mounting: Standard hanger type mount or direct mount Compatibility: Shimano type freehubs and Shimano 9-speed MTB shifters and MTB derailleurs Wide link Shadow design top normal Deore rear derailleur Shadow features a super low-profile design that reduces the risk of damage from trail side hazards Single tension spring prevents contact with the chainstay resulting in a silent ride Direct cable routing prevents snagging from any trail side hazards Alloy and steel construction leads to lower weight without compromising strength and durability Wide link design increases rigidity and service life Top normal return spring lends to incredibly intuitive operation when combined with Rapidfire shifters Large 11 tooth pulleys are used for longer life Two fluorine-coated link bushings for low-friction operation 8 and 9-speed compatible Compatible with 32-36T low sprocket Clutch Type: No Manufacturer Reference Code: RDM592SGS Weight: 286gA 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 Deore M591 9 Speed Rear DerailleurIf you’re looking for high performance mountain bike (MTB) component for having fun on the trails without worrying about durability, the Deore M591 9 Speed Rear Derailleur is an excellent choice. Compatible with both 8 and 9 speed drivetrains, Shimano has built this rear mechanism from durable alloy and steel, so it can withstand the toughest trails and the harshest terrain.Features: Material: Alloy and Steel construction leads to lower weight without compromising strength and durability Speed: 8/9-Speed Cage Length: Long cage Mount Type: Standard hanger mount Clutch Option: No Compatibility: 8/9-Speed MTB cassettes and Shimano 8/9-Speed MTB drivetrains Wide link design increases rigidity and service life Top normal return spring lends to incredibly intuitive operation when combined with Rapidfire shifters Large 11 tooth pulleys are used for longer life Two fluorine-coated link bushings for low-friction operation Compatible with 28-34T low sprocket Weight: 299g (approx.)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 105 5700 10 Speed Front DerailleurOffering you a light shifting action and increased rigidity for clean, crisp gear changes even under hard pedalling, the 105 5700 10 Speed Front Derailleur is an ideal upgrade or replacement for use within your road bike’s Shimano 2x10 speed drivetrain. Compatible with compact, semi-compact and standard double chainsets, in addition to its compatibility with 105 drop bar levers, it can also work with Ultegra and Tiagra models too.Features: Speed: 2x10-Speed Top Gear Teeth: 50-56T Maximum Capacity: 16T Compatibility: 105 ST-5700 or Ultegra ST-6700 shifters only for optimum shifting performance, also compatible with Tiagra ST-4600/4700 Chainstay Angle: 61-66° Mounting: Band-On Chain Line: 43.5mm Wide inner link increased rigidity and takes front shifting performance to a new level, especially under heavy load Light action spring reduces the effort required to actuate shifts The aluminium parts are coated to resist corrosion and maintain their great looks Manufacturer's Part Number: FD-5700A 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 Saint M820 10sp Rear Derailleur New chain control and silencing technologies in the new RD-M820 are a game changer for gravity riding. In addition to the proven Shadow Plus RD design, a Saint specific, high durometer urethane bump stopper (between the RD and the dropout) was added to reduce impact noise.Now 10-speed, the new RD-M820 features a durable super wide link that serves as the backbone of the DH parallelogram. Ready for track and trail, the mode converter easily adapts between two settings for MTB cassette gear ratios (11-32, 11-34, 11-36) and road (11-23, 11-25, 11-28). Features: Direct Mount gives a simpler, cleaner lookDelivers reliable and precise shifting with a stiff and lightweight open design Shadow+ features a super low profile design that reduces the risk of damage from trail side hazards Shadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting. This can be switched off to remove the wheelDirect cable routing prevents snagging from any trail side hazardsAll-alloy construction leads to lower weight without compromising strength and durability Four fluorine-coated link pin bushings make this one of the slickest shifting derailleurs on the trails High rigidity wide outer link braces the pulley body to increase pivot joint rigidity resulting in a crisp shiftStrong return spring for a positive shifting feelDurable sealed bearing pulleys25T capacity SS cage10-speed onlyUrethane elastomer bump stop reduces noiseMode converter (DH mode/Freeride mode)Super wide links: Create a rigid structure that resists twisting and improves durabilityIntegrated skid plate: Protects the derailleur in the event of an impactA 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 Deore XT M786 10 Speed Rear DerailleurEnhanced with Shimano’s “Shadow+” chain stabilising clutch, the Deore XT M786 rear mechanism delivers excellent chain retention as you take on the toughest trails. Compatible with Shimano's entire 10-Speed mountain bike (MTB) range, it's constructed with fluorine-coated inner bushings for smoother operation and lightning-quick gear changes. The switchable clutch is engaged to add chain tension for riding over tree roots, rock gardens and the toughest sections of the trail, then when you need to remove your rear wheel, simply switch it back to slacken the chain.Features:Material: Aluminium Alloy Speed: 10-Speed Cage Size: Long Mount Type: Standard hanger mount or direct mount Clutch Type: Yes Compatibility: All 10-Speed Shimano Mountain Bike (MTB) drivetrains Maximum Low Gear Sprocket: 36T Minimum Low Gear Sprocket: 32T Maximum Front Difference: 18T Capacity: 35T Strong return spring for a positive shifting feel Durable sealed bearing pulleys Direct Mount compatible for a simpler, cleaner look Dyna-Sys technology delivers reliable and precise shifting with a stiff and lightweight open design Features a "Shadow" cage with a super low profile design that reduces the risk of damage from trail side hazards Features a "Shadow Plus" clutch which uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting. This can be switched off to remove the wheelDirect cable routing prevents snagging from any trail side hazardsAll-alloy construction leads to lower weight without compromising strength and durabilityFour fluorine-coated link pin bushings make this one of the slickest shifting derailleurs on the trailsHigh rigidity wide outer link braces the pulley body to increase pivot joint rigidity resulting in a crisp shift Manufacturer's Part Number: RD-M786-GSWeight: 262gA 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 Deore XT M786 10 Speed Rear DerailleurEnhanced with Shimano’s “Shadow+” chain stabilising clutch, the Deore XT M786 rear mechanism delivers excellent chain retention as you take on the toughest trails. Compatible with Shimano's entire 10-Speed mountain bike (MTB) range, it's constructed with fluorine-coated inner bushings for smoother operation and lightning-quick gear changes. The switchable clutch is engaged to add chain tension for riding over tree roots, rock gardens and the toughest sections of the trail, then when you need to remove your rear wheel, simply switch it back to slacken the chain.Features:Material: Aluminium Alloy Speed: 10-Speed Cage Size: Long Mount Type: Standard hanger mount or direct mount Clutch Type: Yes Compatibility: All 10-Speed Shimano Mountain Bike (MTB) drivetrains Maximum Low Gear Sprocket: 36T Minimum Low Gear Sprocket: 32T Maximum Front Difference: 18T Capacity: 35T Strong return spring for a positive shifting feel Durable sealed bearing pulleys Direct Mount compatible for a simpler, cleaner look Dyna-Sys technology delivers reliable and precise shifting with a stiff and lightweight open design Features a "Shadow" cage with a super low profile design that reduces the risk of damage from trail side hazards Features a "Shadow Plus" clutch which uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting. This can be switched off to remove the wheelDirect cable routing prevents snagging from any trail side hazardsAll-alloy construction leads to lower weight without compromising strength and durabilityFour fluorine-coated link pin bushings make this one of the slickest shifting derailleurs on the trailsHigh rigidity wide outer link braces the pulley body to increase pivot joint rigidity resulting in a crisp shift Manufacturer's Part Number: RD-M786-GSWeight: 262gA 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 Deore XT M786 10 Speed Rear DerailleurEnhanced with Shimano’s “Shadow+” chain stabilising clutch, the Deore XT M786 rear mechanism delivers excellent chain retention as you take on the toughest trails. Compatible with Shimano's entire 10-Speed mountain bike (MTB) range, it's constructed with fluorine-coated inner bushings for smoother operation and lightning-quick gear changes. The switchable clutch is engaged to add chain tension for riding over tree roots, rock gardens and the toughest sections of the trail, then when you need to remove your rear wheel, simply switch it back to slacken the chain.Features:Material: Aluminium Alloy Speed: 10-Speed Cage Size: Long Mount Type: Standard hanger mount or direct mount Clutch Type: Yes Compatibility: All 10-Speed Shimano Mountain Bike (MTB) drivetrains Maximum Low Gear Sprocket: 36T Minimum Low Gear Sprocket: 32T Maximum Front Difference: 18T Capacity: 35T Strong return spring for a positive shifting feel Durable sealed bearing pulleys Direct Mount compatible for a simpler, cleaner look Dyna-Sys technology delivers reliable and precise shifting with a stiff and lightweight open design Features a "Shadow" cage with a super low profile design that reduces the risk of damage from trail side hazards Features a "Shadow Plus" clutch which uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting. This can be switched off to remove the wheelDirect cable routing prevents snagging from any trail side hazardsAll-alloy construction leads to lower weight without compromising strength and durabilityFour fluorine-coated link pin bushings make this one of the slickest shifting derailleurs on the trailsHigh rigidity wide outer link braces the pulley body to increase pivot joint rigidity resulting in a crisp shift Manufacturer's Part Number: RD-M786-GSWeight: 262gA 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 XT M781 10sp Rear DerailleurThis Shimano XT M781 Shadow 10-Speed Rear Mech has efficiency as its key principle. The XT Shadow rear derailleur is designed with a longer swing arm and a tighter spring for crisper shifting. The Dyna-Sys rear derailleur will stay in adjustment longer and deliver consistent performance with each ride.Features:Material: AlloyDeore XT Shadow Dyna-Sys 10-speed rear derailleur delivers reliable and precise shifting with a stiff and lightweight open designShimano's new Direct Mount Rear Derailleur system gives more space around the rear frame dropout resulting in easier rear wheel removal but also allows frame designers to shorten chainstays, increase axel sizes and move suspension pivotsDirect Mount gives a simpler, cleaner lookShadow features a super low-profile design that reduces the risk of damage from trail side hazardsSingle tension spring prevents contact with the chainstay resulting in a silent rideDirect cable routing prevents snagging from any trail side hazardsLower weightFour fluorine-coated link pin bushingsHigh rigidity wide outer link braces the pulley bodyStrong return spring for a positive shifting feelImproved cable pull ratio provides a more accurate shift actionDyna-Sys 10-speed compatible onlyDurable sealed bearing pulleysTop normal spring uses the spring to select higher gearsCapacity: 35TWeight: 234gA 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.