The HollowTech II 12-speed Dura-Ace chainset offers the optimum balance of light weight and rigidity, making it the global choice for road racing's elite riders Hollow outer chainring, giving vast improvements in rigidity and increased weight savings The hollow outer chainring has essentially removed outer chainring flex, hugely improving shift performance making it precise even under high load These industry leading HollowTech II 4 arm cold forged hollow crank arms have been evolved to increase rigidity, reduce weight, and improve strength The teeth have been developed to work only in conjunction with the 12-speed chains for improved contact providing more efficiency and improved power transfer There is a wide range of chainring ratios and crank arm lengths available enabling customisation for all riders and racing disciplines HollowTech II integrated bottom bracket design uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency Bottom bracket seal design has a minimal bearing interface gives superbly smooth rolling and increased durability
The HollowTech II 12-speed Dura-Ace chainset offers the optimum balance of light weight and rigidity, making it the global choice for road racing's elite riders Hollow outer chainring, giving vast improvements in rigidity and increased weight savings The hollow outer chainring has essentially removed outer chainring flex, hugely improving shift performance making it precise even under high load These industry leading HollowTech II 4 arm cold forged hollow crank arms have been evolved to increase rigidity, reduce weight, and improve strength The teeth have been developed to work only in conjunction with the 12-speed chains for improved contact providing more efficiency and improved power transfer There is a wide range of chainring ratios and crank arm lengths available enabling customisation for all riders and racing disciplines HollowTech II integrated bottom bracket design uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency Bottom bracket seal design has a minimal bearing interface gives superbly smooth rolling and increased durability
The HollowTech II 12-speed Dura-Ace chainset offers the optimum balance of light weight and rigidity, making it the global choice for road racing's elite riders Hollow outer chainring, giving vast improvements in rigidity and increased weight savings The hollow outer chainring has essentially removed outer chainring flex, hugely improving shift performance making it precise even under high load These industry leading HollowTech II 4 arm cold forged hollow crank arms have been evolved to increase rigidity, reduce weight, and improve strength The teeth have been developed to work only in conjunction with the 12-speed chains for improved contact providing more efficiency and improved power transfer There is a wide range of chainring ratios and crank arm lengths available enabling customisation for all riders and racing disciplines HollowTech II integrated bottom bracket design uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency Bottom bracket seal design has a minimal bearing interface gives superbly smooth rolling and increased durability
The HollowTech II 12-speed Dura-Ace chainset offers the optimum balance of light weight and rigidity, making it the global choice for road racing's elite riders Hollow outer chainring, giving vast improvements in rigidity and increased weight savings The hollow outer chainring has essentially removed outer chainring flex, hugely improving shift performance making it precise even under high load These industry leading HollowTech II 4 arm cold forged hollow crank arms have been evolved to increase rigidity, reduce weight, and improve strength The teeth have been developed to work only in conjunction with the 12-speed chains for improved contact providing more efficiency and improved power transfer There is a wide range of chainring ratios and crank arm lengths available enabling customisation for all riders and racing disciplines HollowTech II integrated bottom bracket design uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency Bottom bracket seal design has a minimal bearing interface gives superbly smooth rolling and increased durability
The HollowTech II 12-speed Dura-Ace chainset offers the optimum balance of light weight and rigidity, making it the global choice for road racing's elite riders Hollow outer chainring, giving vast improvements in rigidity and increased weight savings The hollow outer chainring has essentially removed outer chainring flex, hugely improving shift performance making it precise even under high load These industry leading HollowTech II 4 arm cold forged hollow crank arms have been evolved to increase rigidity, reduce weight, and improve strength The teeth have been developed to work only in conjunction with the 12-speed chains for improved contact providing more efficiency and improved power transfer There is a wide range of chainring ratios and crank arm lengths available enabling customisation for all riders and racing disciplines HollowTech II integrated bottom bracket design uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency Bottom bracket seal design has a minimal bearing interface gives superbly smooth rolling and increased durability
Shimano Dura-Ace R9200 12 Speed ChainsetThe Dura-Ace R9200 12 Speed Chainset from Shimano provides the optimum balance of strength and rigidity at a low weight. Shimano's Hollowtech II and Hollowglide technologies provide outstanding power transfer and smooth gear shifts while it's engineered to excel specifically with the Shimano 12-Speed road groupset systems.The Dura-Ace FC-R9200 chainset is the driving force at the heart of the bicycle. This chainset ensures that no portion of your pedal stroke is wasted. With hollow arms and chainrings, weight is kept to a minimum but stiffness and shifting precision is maximized.Hollowtech II Technology for World-Class Strength at a Low WeightThe Dura-Ace FC-R9200 crank performs two vital functions: transferring your pedalling effort into the drivetrain and ensuring the fastest, most precise front shifting available. With Hollowtech II crank arms to ensure lightweight and Shimano's class-leading chainring designs, the FC-R9200 won't let you down. And the FC-R9200 12 Speed Chainset is offered in even shorter crank arm lengths to ensure there are options to fit any rider.Hollowglide Chainring TechnologyHollow technology on the outer chainring. The Hollowglide construction ensures high rigidity while its hollow structure cuts down on weight yet maintains strength. This provides better power transfer and quicker and more precise front shifting performance.Hollowtech II Forged Crank ArmsA lightweight crankset not only reduces the bike's weight but decreases rotating mass to aid in acceleration. The challenge is to reduce the weight of the crank without reducing its strength and rigidity.Shimano's advanced forging technology has solved the problem through the HOLLOWTECH crank. Just like high-quality frame tubing, a hollow crank arm can provide amazing strength and rigidity at very lightweight.The Best Balance of Stiffness, Strength and WeightThe concept of Hollowtech II technology is focused on producing a superior crankset that will maximize a rider's power transfer. The rigidity of the crankset ensures pedalling efficiency while its low weight, a key element of the crankset, aids in cycling longer distances over which the rider needs to pedal more. Naturally, Shimano strove for the optimum balance between the conflicting needs of stiffness while producing a lightweight crank.The addition of Hollowtech II technology integrates the bottom bracket axle with the right crankarm for more stiffness and weight savings to achieve a high-dimensional balance. Its outboard bottom bracket bearing system provides better weight distribution and more pedalling stability, allowing for more efficient power transfer.The Shimano Dura-Ace R9200 12 Speed Chainset has been developed by pursuing the optimum balance of stiffness and rotating performance in a lightweight and beautiful crankset design.Features: Series: Dura-Ace R9200 Series Optimal balance of stiffness, strength, weight and rotational performance Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting New 54-40T option to realize the most efficient drivetrain Hollowtech II crank arms for strength at a low weight Recommended Bottom Bracket: Press-Fit: SM-BB92-41B; Threaded: BB-R9100 Q-Factor: 148mm Drivetrain Rear Speeds: 12-Speed Chainline: 44.5mm Weight: 714g (54-40T); 692g (52-36T); 685g (50-34T)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 Dura-Ace R9200 12 Speed ChainsetThe Dura-Ace R9200 12 Speed Chainset from Shimano provides the optimum balance of strength and rigidity at a low weight. Shimano's Hollowtech II and Hollowglide technologies provide outstanding power transfer and smooth gear shifts while it's engineered to excel specifically with the Shimano 12-Speed road groupset systems.The Dura-Ace FC-R9200 chainset is the driving force at the heart of the bicycle. This chainset ensures that no portion of your pedal stroke is wasted. With hollow arms and chainrings, weight is kept to a minimum but stiffness and shifting precision is maximized.Hollowtech II Technology for World-Class Strength at a Low WeightThe Dura-Ace FC-R9200 crank performs two vital functions: transferring your pedalling effort into the drivetrain and ensuring the fastest, most precise front shifting available. With Hollowtech II crank arms to ensure lightweight and Shimano's class-leading chainring designs, the FC-R9200 won't let you down. And the FC-R9200 12 Speed Chainset is offered in even shorter crank arm lengths to ensure there are options to fit any rider.Hollowglide Chainring TechnologyHollow technology on the outer chainring. The Hollowglide construction ensures high rigidity while its hollow structure cuts down on weight yet maintains strength. This provides better power transfer and quicker and more precise front shifting performance.Hollowtech II Forged Crank ArmsA lightweight crankset not only reduces the bike's weight but decreases rotating mass to aid in acceleration. The challenge is to reduce the weight of the crank without reducing its strength and rigidity.Shimano's advanced forging technology has solved the problem through the HOLLOWTECH crank. Just like high-quality frame tubing, a hollow crank arm can provide amazing strength and rigidity at very lightweight.The Best Balance of Stiffness, Strength and WeightThe concept of Hollowtech II technology is focused on producing a superior crankset that will maximize a rider's power transfer. The rigidity of the crankset ensures pedalling efficiency while its low weight, a key element of the crankset, aids in cycling longer distances over which the rider needs to pedal more. Naturally, Shimano strove for the optimum balance between the conflicting needs of stiffness while producing a lightweight crank.The addition of Hollowtech II technology integrates the bottom bracket axle with the right crankarm for more stiffness and weight savings to achieve a high-dimensional balance. Its outboard bottom bracket bearing system provides better weight distribution and more pedalling stability, allowing for more efficient power transfer.The Shimano Dura-Ace R9200 12 Speed Chainset has been developed by pursuing the optimum balance of stiffness and rotating performance in a lightweight and beautiful crankset design.Features: Series: Dura-Ace R9200 Series Optimal balance of stiffness, strength, weight and rotational performance Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting New 54-40T option to realize the most efficient drivetrain Hollowtech II crank arms for strength at a low weight Recommended Bottom Bracket: Press-Fit: SM-BB92-41B; Threaded: BB-R9100 Q-Factor: 148mm Drivetrain Rear Speeds: 12-Speed Chainline: 44.5mm Weight: 714g (54-40T); 692g (52-36T); 685g (50-34T)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 Dura-Ace R9200 12 Speed ChainsetThe Dura-Ace R9200 12 Speed Chainset from Shimano provides the optimum balance of strength and rigidity at a low weight. Shimano's Hollowtech II and Hollowglide technologies provide outstanding power transfer and smooth gear shifts while it's engineered to excel specifically with the Shimano 12-Speed road groupset systems.The Dura-Ace FC-R9200 chainset is the driving force at the heart of the bicycle. This chainset ensures that no portion of your pedal stroke is wasted. With hollow arms and chainrings, weight is kept to a minimum but stiffness and shifting precision is maximized.Hollowtech II Technology for World-Class Strength at a Low WeightThe Dura-Ace FC-R9200 crank performs two vital functions: transferring your pedalling effort into the drivetrain and ensuring the fastest, most precise front shifting available. With Hollowtech II crank arms to ensure lightweight and Shimano's class-leading chainring designs, the FC-R9200 won't let you down. And the FC-R9200 12 Speed Chainset is offered in even shorter crank arm lengths to ensure there are options to fit any rider.Hollowglide Chainring TechnologyHollow technology on the outer chainring. The Hollowglide construction ensures high rigidity while its hollow structure cuts down on weight yet maintains strength. This provides better power transfer and quicker and more precise front shifting performance.Hollowtech II Forged Crank ArmsA lightweight crankset not only reduces the bike's weight but decreases rotating mass to aid in acceleration. The challenge is to reduce the weight of the crank without reducing its strength and rigidity.Shimano's advanced forging technology has solved the problem through the HOLLOWTECH crank. Just like high-quality frame tubing, a hollow crank arm can provide amazing strength and rigidity at very lightweight.The Best Balance of Stiffness, Strength and WeightThe concept of Hollowtech II technology is focused on producing a superior crankset that will maximize a rider's power transfer. The rigidity of the crankset ensures pedalling efficiency while its low weight, a key element of the crankset, aids in cycling longer distances over which the rider needs to pedal more. Naturally, Shimano strove for the optimum balance between the conflicting needs of stiffness while producing a lightweight crank.The addition of Hollowtech II technology integrates the bottom bracket axle with the right crankarm for more stiffness and weight savings to achieve a high-dimensional balance. Its outboard bottom bracket bearing system provides better weight distribution and more pedalling stability, allowing for more efficient power transfer.The Shimano Dura-Ace R9200 12 Speed Chainset has been developed by pursuing the optimum balance of stiffness and rotating performance in a lightweight and beautiful crankset design.Features: Series: Dura-Ace R9200 Series Optimal balance of stiffness, strength, weight and rotational performance Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting New 54-40T option to realize the most efficient drivetrain Hollowtech II crank arms for strength at a low weight Recommended Bottom Bracket: Press-Fit: SM-BB92-41B; Threaded: BB-R9100 Q-Factor: 148mm Drivetrain Rear Speeds: 12-Speed Chainline: 44.5mm Weight: 714g (54-40T); 692g (52-36T); 685g (50-34T)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.
Key Features:With Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear,The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion and stretching, and also provides effortless gear shifts,Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold,Shifters are lightweight thanks to carbon fibre lever blades, carbon composite bracket body, and a titanium clamp band / fixing bolt,Drop bar STI with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano STI,Brake lever pivot is positioned to be used with super SLR brake callipers, increase power providing excellent ergonomics when riding on the hoods,Finely tuneable reach adjusters for the levers enable custom fitment for all hands,Levers are supplied without electrical cables, as these need to be ordered separately to suit,Two ports for use with E-tube electric cables, plus port for remote sprinter shifters,Comes complete with SLR brake cable set,Weight is 230 grams a pair.
Fulcrum Racing 3 C17 Clincher WheelsetThe Fulcrum Racing 3 C17 Clincher Wheelset ticks all the boxes. Designed for Training, Racing and long-distance Endurance riding, it is perfect for the training cyclist who won't compromise on quality and performance. It's also ideal for long-distance riding and benefits from a reliable and durable construction. Stiff, Flex-Free & LightThis wheelset features a high-end aluminium rim construction, which provides stiffness, and flex-free performance while being lightweight. The braking profile has been precision machined and offers exceptional braking performance and consistency. This will provide a superbly comfortable and stable ride no matter how long your journey, or how rigorous your training or race session may be.Features: Material: Rim, Hubs: Aluminium; Spokes: Stainless Steel Rim Height: Front: 25mm; Rear: 30mm Internal Rim Width: 17mm External Rim Width: 23mm Braking System: Rim Brake Braking Surface: Aluminium Turned Axle Compatibility: Quick Release Spoke Count: Front: 16; Rear: 21 Spoke Type: Aero Straight-Pull Bearings: Adjustable, Cup & Cone System Freehub: Shimano 11-Speed Weight: 1560gTechnologies: 2:1 Two-To-One: Every push on the pedals from the rider will force most of that energy on the drive side of the rear wheel. To combat this loss of rim tension and power transfer, Fulcrum has solved this cycling problem with their 2:1 spoke ratio pattern by doubling the spoke count in crucial zones on the wheel. Anti-Rotation System: This system locks the spoke in place once the correct tension is achieved. Engineers at Fulcrum have designed this system to ensure the spokes never lose their initial tension and to remain in the position that has been proven to provide the perfect aerodynamic properties. Directional Rim-Spoke Coupling: An exclusive rim/spoke mounting system. It allows the rim, spokes, hub and nipples to align perfectly, guaranteeing the precise spoke tension in all areas around the wheel. Rim Dynamic Balance: Simple and Elegant, the weight of the rim gasket is balanced on the opposite side with an item of similar weight.Buy Fulcrum Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.
Mavic E-Deemax S 30 Micro Spline MTB WheelsetSpecifically engineered for the rigours of electric mountain bike (E-MTB) riding, this wheelset comes equipped with a tough maxtal aluminium rim construction to handle the increased speed, torque and power produced by E-MTB motor systems. Thanks to its Boost axle spacing, it delivers stronger and stiffer rolling performance, making it ideal for tackling the most demanding of terrain conditions on your ride. Another highlight is its tubeless ready technology, which allows you to enjoy tubeless advantages such as the ability to run lower tyre pressures for greater stability on rough terrain, lower rolling resistance and fewer risks of flats or punctures.Pinch Flat Protection and Fore TechnologyMavic's patented Pinch Flat Protection (PFP technology) features rims with a wider contact surface at the top of sidewall to significantly reduce the risk of tyre cuts and punctures. The 30mm wide rims allow you to run lower tyre pressure for better traction and smooth-rolling efficiency. Its patented Fore technology uses a fully sealed upper rim bridge that eliminates the need for rim tape, making it the easiest system for mounting and changing tubeless tyres.Black Shield Finish and Centre Lock Disc Brake CompatibleISM rim machining removes material from the rims in strategic areas to minimise weight without compromising strength, and Mavic's Black Shield treatment protects the rims against impacts and scratches. It uses 28 straight-pull spokes (same spoke length throughout) for a strong connection between the rim and hub, which has an ultra-reliable ID360 double ratchet system for quick engagement and acceleration. Set up for Centre Lock disc mounts, the Mavic E-Deemax S 30 Disc MTB Wheelset is available for MicroSpline freewheel bodies and comes complete with UST tubeless valves, spare spokes and accessories.Features: Rim Material: Asymmetrical S6000 Maxtal Aluminium with SUP welding technology Finish: Black Sheild treatment (protects your rim against impacts and scratches) Axle: Front: 15x110mm; Rear: 12x148mm, Boost Use: Electric Mountain Bike (E-MTB) Wheel Size: 29" ETRTO: 622x30TC Rim Width: Inner: 30mm; Outer: 36mm Rim Depth: 21mm Recommended Tyre Sizes: 60mm to 76mm (2.35" to 3.0") Spoke Material: Steel Spoke Shape: Straight-pull, flat, double-butted Spoke Lacing: Front and rear cross 3, contactless Spoke Count: 28 front and rear Nipples: Fore integrated Aluminium Bearings: Auto bearing preload technology (QRM) Freehub System: Instant Drive 360 Freehub Compatibility: MicroSpline Brake Compatibility: Centre Lock disc brake Max Weight Limit: For a longer longevity of the wheel, Mavic recommends that the total weight supported by the wheels doesn't exceed 180kg, Ebike included Weight Reduction: ISM ASTM Category: 5 Tubeless Ready: Yes Single or Pair: Pair Weight: 2070gTechnologies: Reduced Risk of Flats on Rugged Trails: PFP (Pinch Flat Protection) rim sidewalls have a wider contact surface at the top of sidewall, which significantly minimises the risk of tyre cuts and punctures. Super strong rim (ASTM 5) gives you the confidence to push your limits on rough terrain. Purpose-built for Off-Road E-Bikes: Wider 30mm (internal) rim adds stiffness and cornering precision. Engineered for the added torque of E-bike motors with 28 threaded three-cross spokes that further boost lateral stiffness. Most User-Friendly Tubeless System: Fully sealed rim with no rim tape makes it easy to mount and change tubeless tyres. Leaving the upper rim bridge intact boosts the stiffness and the durability of the rim.Manufacturer's Part Number: LP1633100 Black 29" MicroSplineBuy Mavic Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano Tiagra 4700 10 Speed Road Bike Groupset Setting the benchmark for entry-level models, the 4700 10 Speed Road Bike Groupset shares technology from Dura-Ace, Ultegra and 105 and has allowed Shimano to bring this quality level to more cyclists. Available in various crank arms lengths, chainring options and cassette size options, you can choose the setup that suits your personal preferences and the terrain your ride.The Tiagra 4700 groupset offers balanced performance and consistency; the updated range - which now supports internal cable routing - remains dependable and durable, requiring little maintenance.Tiagra 4700 Groupset Key Features: 2x10-Speed Compact or semi-compact chainset options Braze-on front derailleur Short cage or medium cage rear derailleur options Standard reach rim brake calipers 3 different cassette options Bottom bracket included (English thread)Included In The Box: 1x Tiagra 4700 chainset 2x Tiagra 10 speed dual control shifters 1x Tiagra 4700 2x10 speed braze-on front derailleur 1x Tiagra 4700 rear derailleur 2x Tiagra dual-pivot rim brake calipers 1x Tiagra HG500 10 speed road cassette Shimano Deore HG54 HG-X 10 Speed Chain Please Note: This groupset does not come with cablesShimano Tiagra 4700 ChainsetThe iconic four-arm crank design maintains a perfect balance between weight, efficiency and stiffness.Chainset Features: Speed: 10-Speed Bottom Bracket: Included (Threaded BSA) Chainset: Compact (50-34T) or Semi Compact (52-36T) Chain Line: 43.5mm Bolt Circle Diameter (BCD): 4x110mm (Shimano asymmetric) Crank Arm Length: 170mm, 172.5mm or 175mmShimano Tiagra 10 Speed Dual Control ShiftersTiagra 4700 runs on a 10-speed drivetrain operated by improved ergonomic shift/brake levers (STI). The slim and compact bracket grip offers easy reach to the brake/shift lever from the hood position and a comfortable lever feeling for a wide range of riders. Shifting is accurate and virtually effortless.Shifter's Features: Speed: Front: 2-Speed; Rear: 10-Speed Chainset Compatibility: Double Shift Cable: Lever side: OT-SP41/RD side: OT-SP41 Sealed Reach Adjuster: ScrewShimano Tiagra 4700 2x10sp Braze On Front DerailleurSleek, balanced and consistent. The Tiagra 4700 series provides serious entry-level riding performance with cascaded technology from Dura-Ace. It features an extra wide pivot link to increase rigidity while reducing flex for improved shifting response. Front Derailleur Features: Light action More ergonomic operation Less chain drop New chain guide and FC gear shape with HG-X chain Braze-on support bolt improves stability Speed: 2x10-Speed Top Gear Teeth: 53T Maximum Capacity: 16T Chain Stay Angle: 61-66° Mounting: Braze-on Chain Line: 43.5mmShimano Tiagra 4700 Rear DerailleurThe rear derailleur has a revised cable pitch, which offers precise and long-lasting shifting performance and is compatible with up to a 34T cassette.Rear Derailleur Features: Material: Aluminium Speed: 10-Speed Compatibility: Shimano 4700 10 speed shifters Mounting: Conventional hanger mount Intended Use: Road Maximum Low Sprocket: Short Cage: 28T; Medium Cage: 34T Maximum High Sprocket: Short Cage: 14T; Medium Cage: 12T Minimum Low Sprocket: Short Cage: 25T; Medium Cage: 28T Minimum High Sprocket: 11T (both cage sizes) Maximum Front Difference: 16T (both cage sizes) Total Capacity: Short Cage: 33T; Rear Cage: 41T Manufacturer's Part Number: Short Cage: RD4700SS; Medium Cage: RD4700GSShimano Tiagra Dual-Pivot Brake CalipersThe Tiagra brake system offers consistent all-around control in all conditions. Compared to the previous generation, the braking power has increased by 30%, while modulation of the brakes has also improved.Caliper Features: Brake Type: Super SLR Dual Pivot rim brake Mount Type: Standard single bolt Cartridge Shoe Holder: R50T5/R50T4 Brake Pads Included: Yes Brake Reach: 51mm Rim Width Compatibility: 19-26mm Max Tyre Clearance: 28cShimano Tiagra HG500 10 Speed Road CassetteBringing you features and technologies from Shimano's top-end models at a more affordable price, the Tiagra HG500 10 Speed road bike cassette delivers quick and accurate gear changes on every ride. Plus, to extend its lifespan, Shimano has coated its sprockets with nickel plating, which results in consistently smooth operation for longer. That's not all, as by drilling and machining the sprockets, the weight has been reduced without reducing any rigidity.Cassette Features: Use: Road Speed: 10-Speed Freehub Compatibility: Shimano style 9,10 and 11-Speed freehubs Recommended Chain: 10-speed road HyperGlide (HG) chains Use: Road Cassette Spacer Included: No Ratios: 11-28T: 11-13-14-15-17-19-21-23-25-28T; 11-32T: 11-12-14-16-18-20-22-25-28-32T; 12-28T: 12-13-14-15-17-19-21-23-25-28T Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load Corrosion-resistant steel cassette lockring Weight: 350g (11-32T)Shimano Deore HG54 HG-X 10 Speed ChainThe Deore HG54 HG-X 10 Speed Chain from Shimano uses a directional design with specifically shaped inner and outer plates to optimise shifting over the chainset and cassette. Its outer plate design has been developed to reduce the chance of chain suck. The inner plate has been developed for better contact with gears providing smoother shifting under high load, giving efficient pedalling, increased rigidity and almost silent running. Durability is assured through a chromising treatment on link pins, and the heat treatment of rollers, pins, and plates.Chain Features: Speed: 10-Speed Length: 116 links Joining Pin Included: Yes Open design of inner links prevents grime build-up Mushrooming of the pins gives unsurpassed side-plate retention, enabling the chain to far exceed the BS/ISO standard for breaking force Corrosion-resistant grey finish on inner and outer plates Weight: 274gShimano Tiagra 4700 Bottom BracketStrong and smooth, the Shimano Tiagra 4700 threaded Bottom Bracket is for use with 2-piece cap-free design road chainset.Bottom Bracket Features: Minimal bearing interface gives superbly smooth rolling Easy installation English thread Suits Bottom Bracket Width: 68mm Weight: 72gPlease Note: This groupset does not come with cables.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.