The HollowTech II 11-speed Ultegra chainset offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders HollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load The chainring teeth have been developed to work in conjunction with 11-speed HG-EV chains for increased contact to provide greater efficiency and improved power transfer Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm and 410mm chain stay length A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately)
Shimano RX801 SPD ShoesIf you love to ride fast off-road, be it a gravel race, local trail loop or multi-day tour, the Shimano RX801 SPD Shoes balance superb comfort with ruthlessly efficient power transfer. Gravel Riding. Fast. Riding gravel encompasses a whole range of riding styles from those taking it easy and enjoying the scenery to those pushing their limits of speed and endurance in races. The RX801 SPD Shoes sit at this speedier/racier end of the spectrum.Shimano’s foot-hugging microfibre synthetic leather Dynalast upper offers superb comfort and gives you a supportive pedalling platform too. Mesh and perforations deliver excellent breathability, keeping your feet fresh during long hot days in the saddle.RX800 Carbon SoleRated 10 out of 12 on Shimano’s stiffness rating, the RX800 Carbon Sole will let you leave others in your dust. With your hard-won watts going straight to the pedals you’ll soon be up to speed and holding the pace.The sole unit also features stripped back TPU lugs, reducing overall shoe weight while still maintaining sure-footed performance when you're off the bike. With their two-bolt MTB pedal compatibility, you're also assured of the best pedalling efficiency and stability as you zip from gravel to road and back to gravel again.BOA® Li2 Dial SystemThe Boa® Li2 Dial System provide you with the ultimate in customisable fit. Micro-adjustment for both tightening and loosening ensure you get the fit just as you want it every time you ride. And as feet swell in the heat or you want to tighten up for a harder effort, you can make quick adjustments on the fly.The Li2 dial also benefits from an improved construction to aid durability while also being lower profile to enhance aerodynamics.Cleat GuidanceThese MTB shoes are compatible with MTB pedal systems, which use cleats with SPD standard (2-bolt standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Unique inkjet printing finishBOA® Li2 dial and toe strapSurround wrap, microfibre synthetic leather and mesh upper for durability andbreathabilityHigh-density cup insole with adaptable arch padRX800 super-lightweight carbon soleStripped-back, abrasion resistant TPU lugs and anti-slip pads on the bottomWeight: 255gStiffness rating: 10/122-bolt cleat compatible (cleats not supplied)Buy Shimano Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano RX801 SPD ShoesIf you love to ride fast off-road, be it a gravel race, local trail loop or multi-day tour, the Shimano RX801 SPD Shoes balance superb comfort with ruthlessly efficient power transfer. Gravel Riding. Fast. Riding gravel encompasses a whole range of riding styles from those taking it easy and enjoying the scenery to those pushing their limits of speed and endurance in races. The RX801 SPD Shoes sit at this speedier/racier end of the spectrum.Shimano’s foot-hugging microfibre synthetic leather Dynalast upper offers superb comfort and gives you a supportive pedalling platform too. Mesh and perforations deliver excellent breathability, keeping your feet fresh during long hot days in the saddle.RX800 Carbon SoleRated 10 out of 12 on Shimano’s stiffness rating, the RX800 Carbon Sole will let you leave others in your dust. With your hard-won watts going straight to the pedals you’ll soon be up to speed and holding the pace.The sole unit also features stripped back TPU lugs, reducing overall shoe weight while still maintaining sure-footed performance when you're off the bike. With their two-bolt MTB pedal compatibility, you're also assured of the best pedalling efficiency and stability as you zip from gravel to road and back to gravel again.BOA® Li2 Dial SystemThe Boa® Li2 Dial System provide you with the ultimate in customisable fit. Micro-adjustment for both tightening and loosening ensure you get the fit just as you want it every time you ride. And as feet swell in the heat or you want to tighten up for a harder effort, you can make quick adjustments on the fly.The Li2 dial also benefits from an improved construction to aid durability while also being lower profile to enhance aerodynamics.Cleat GuidanceThese MTB shoes are compatible with MTB pedal systems, which use cleats with SPD standard (2-bolt standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Unique inkjet printing finishBOA® Li2 dial and toe strapSurround wrap, microfibre synthetic leather and mesh upper for durability andbreathabilityHigh-density cup insole with adaptable arch padRX800 super-lightweight carbon soleStripped-back, abrasion resistant TPU lugs and anti-slip pads on the bottomWeight: 255gStiffness rating: 10/122-bolt cleat compatible (cleats not supplied)Buy Shimano Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano RX801 SPD ShoesIf you love to ride fast off-road, be it a gravel race, local trail loop or multi-day tour, the Shimano RX801 SPD Shoes balance superb comfort with ruthlessly efficient power transfer. Gravel Riding. Fast. Riding gravel encompasses a whole range of riding styles from those taking it easy and enjoying the scenery to those pushing their limits of speed and endurance in races. The RX801 SPD Shoes sit at this speedier/racier end of the spectrum.Shimano’s foot-hugging microfibre synthetic leather Dynalast upper offers superb comfort and gives you a supportive pedalling platform too. Mesh and perforations deliver excellent breathability, keeping your feet fresh during long hot days in the saddle.RX800 Carbon SoleRated 10 out of 12 on Shimano’s stiffness rating, the RX800 Carbon Sole will let you leave others in your dust. With your hard-won watts going straight to the pedals you’ll soon be up to speed and holding the pace.The sole unit also features stripped back TPU lugs, reducing overall shoe weight while still maintaining sure-footed performance when you're off the bike. With their two-bolt MTB pedal compatibility, you're also assured of the best pedalling efficiency and stability as you zip from gravel to road and back to gravel again.BOA® Li2 Dial SystemThe Boa® Li2 Dial System provide you with the ultimate in customisable fit. Micro-adjustment for both tightening and loosening ensure you get the fit just as you want it every time you ride. And as feet swell in the heat or you want to tighten up for a harder effort, you can make quick adjustments on the fly.The Li2 dial also benefits from an improved construction to aid durability while also being lower profile to enhance aerodynamics.Cleat GuidanceThese MTB shoes are compatible with MTB pedal systems, which use cleats with SPD standard (2-bolt standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Unique inkjet printing finishBOA® Li2 dial and toe strapSurround wrap, microfibre synthetic leather and mesh upper for durability andbreathabilityHigh-density cup insole with adaptable arch padRX800 super-lightweight carbon soleStripped-back, abrasion resistant TPU lugs and anti-slip pads on the bottomWeight: 255gStiffness rating: 10/122-bolt cleat compatible (cleats not supplied)Buy Shimano Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano RX801 SPD ShoesIf you love to ride fast off-road, be it a gravel race, local trail loop or multi-day tour, the Shimano RX801 SPD Shoes balance superb comfort with ruthlessly efficient power transfer. Gravel Riding. Fast. Riding gravel encompasses a whole range of riding styles from those taking it easy and enjoying the scenery to those pushing their limits of speed and endurance in races. The RX801 SPD Shoes sit at this speedier/racier end of the spectrum.Shimano’s foot-hugging microfibre synthetic leather Dynalast upper offers superb comfort and gives you a supportive pedalling platform too. Mesh and perforations deliver excellent breathability, keeping your feet fresh during long hot days in the saddle.RX800 Carbon SoleRated 10 out of 12 on Shimano’s stiffness rating, the RX800 Carbon Sole will let you leave others in your dust. With your hard-won watts going straight to the pedals you’ll soon be up to speed and holding the pace.The sole unit also features stripped back TPU lugs, reducing overall shoe weight while still maintaining sure-footed performance when you're off the bike. With their two-bolt MTB pedal compatibility, you're also assured of the best pedalling efficiency and stability as you zip from gravel to road and back to gravel again.BOA® Li2 Dial SystemThe Boa® Li2 Dial System provide you with the ultimate in customisable fit. Micro-adjustment for both tightening and loosening ensure you get the fit just as you want it every time you ride. And as feet swell in the heat or you want to tighten up for a harder effort, you can make quick adjustments on the fly.The Li2 dial also benefits from an improved construction to aid durability while also being lower profile to enhance aerodynamics.Cleat GuidanceThese MTB shoes are compatible with MTB pedal systems, which use cleats with SPD standard (2-bolt standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Unique inkjet printing finishBOA® Li2 dial and toe strapSurround wrap, microfibre synthetic leather and mesh upper for durability andbreathabilityHigh-density cup insole with adaptable arch padRX800 super-lightweight carbon soleStripped-back, abrasion resistant TPU lugs and anti-slip pads on the bottomWeight: 255gStiffness rating: 10/122-bolt cleat compatible (cleats not supplied)Buy Shimano Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano RX801 SPD ShoesIf you love to ride fast off-road, be it a gravel race, local trail loop or multi-day tour, the Shimano RX801 SPD Shoes balance superb comfort with ruthlessly efficient power transfer. Gravel Riding. Fast. Riding gravel encompasses a whole range of riding styles from those taking it easy and enjoying the scenery to those pushing their limits of speed and endurance in races. The RX801 SPD Shoes sit at this speedier/racier end of the spectrum.Shimano’s foot-hugging microfibre synthetic leather Dynalast upper offers superb comfort and gives you a supportive pedalling platform too. Mesh and perforations deliver excellent breathability, keeping your feet fresh during long hot days in the saddle.RX800 Carbon SoleRated 10 out of 12 on Shimano’s stiffness rating, the RX800 Carbon Sole will let you leave others in your dust. With your hard-won watts going straight to the pedals you’ll soon be up to speed and holding the pace.The sole unit also features stripped back TPU lugs, reducing overall shoe weight while still maintaining sure-footed performance when you're off the bike. With their two-bolt MTB pedal compatibility, you're also assured of the best pedalling efficiency and stability as you zip from gravel to road and back to gravel again.BOA® Li2 Dial SystemThe Boa® Li2 Dial System provide you with the ultimate in customisable fit. Micro-adjustment for both tightening and loosening ensure you get the fit just as you want it every time you ride. And as feet swell in the heat or you want to tighten up for a harder effort, you can make quick adjustments on the fly.The Li2 dial also benefits from an improved construction to aid durability while also being lower profile to enhance aerodynamics.Cleat GuidanceThese MTB shoes are compatible with MTB pedal systems, which use cleats with SPD standard (2-bolt standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Unique inkjet printing finishBOA® Li2 dial and toe strapSurround wrap, microfibre synthetic leather and mesh upper for durability andbreathabilityHigh-density cup insole with adaptable arch padRX800 super-lightweight carbon soleStripped-back, abrasion resistant TPU lugs and anti-slip pads on the bottomWeight: 255gStiffness rating: 10/122-bolt cleat compatible (cleats not supplied)Buy Shimano Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano RX801 SPD ShoesIf you love to ride fast off-road, be it a gravel race, local trail loop or multi-day tour, the Shimano RX801 SPD Shoes balance superb comfort with ruthlessly efficient power transfer. Gravel Riding. Fast. Riding gravel encompasses a whole range of riding styles from those taking it easy and enjoying the scenery to those pushing their limits of speed and endurance in races. The RX801 SPD Shoes sit at this speedier/racier end of the spectrum.Shimano’s foot-hugging microfibre synthetic leather Dynalast upper offers superb comfort and gives you a supportive pedalling platform too. Mesh and perforations deliver excellent breathability, keeping your feet fresh during long hot days in the saddle.RX800 Carbon SoleRated 10 out of 12 on Shimano’s stiffness rating, the RX800 Carbon Sole will let you leave others in your dust. With your hard-won watts going straight to the pedals you’ll soon be up to speed and holding the pace.The sole unit also features stripped back TPU lugs, reducing overall shoe weight while still maintaining sure-footed performance when you're off the bike. With their two-bolt MTB pedal compatibility, you're also assured of the best pedalling efficiency and stability as you zip from gravel to road and back to gravel again.BOA® Li2 Dial SystemThe Boa® Li2 Dial System provide you with the ultimate in customisable fit. Micro-adjustment for both tightening and loosening ensure you get the fit just as you want it every time you ride. And as feet swell in the heat or you want to tighten up for a harder effort, you can make quick adjustments on the fly.The Li2 dial also benefits from an improved construction to aid durability while also being lower profile to enhance aerodynamics.Cleat GuidanceThese MTB shoes are compatible with MTB pedal systems, which use cleats with SPD standard (2-bolt standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Unique inkjet printing finishBOA® Li2 dial and toe strapSurround wrap, microfibre synthetic leather and mesh upper for durability andbreathabilityHigh-density cup insole with adaptable arch padRX800 super-lightweight carbon soleStripped-back, abrasion resistant TPU lugs and anti-slip pads on the bottomWeight: 255gStiffness rating: 10/122-bolt cleat compatible (cleats not supplied)Buy Shimano Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano RX801 SPD ShoesIf you love to ride fast off-road, be it a gravel race, local trail loop or multi-day tour, the Shimano RX801 SPD Shoes balance superb comfort with ruthlessly efficient power transfer. Gravel Riding. Fast. Riding gravel encompasses a whole range of riding styles from those taking it easy and enjoying the scenery to those pushing their limits of speed and endurance in races. The RX801 SPD Shoes sit at this speedier/racier end of the spectrum.Shimano’s foot-hugging microfibre synthetic leather Dynalast upper offers superb comfort and gives you a supportive pedalling platform too. Mesh and perforations deliver excellent breathability, keeping your feet fresh during long hot days in the saddle.RX800 Carbon SoleRated 10 out of 12 on Shimano’s stiffness rating, the RX800 Carbon Sole will let you leave others in your dust. With your hard-won watts going straight to the pedals you’ll soon be up to speed and holding the pace.The sole unit also features stripped back TPU lugs, reducing overall shoe weight while still maintaining sure-footed performance when you're off the bike. With their two-bolt MTB pedal compatibility, you're also assured of the best pedalling efficiency and stability as you zip from gravel to road and back to gravel again.BOA® Li2 Dial SystemThe Boa® Li2 Dial System provide you with the ultimate in customisable fit. Micro-adjustment for both tightening and loosening ensure you get the fit just as you want it every time you ride. And as feet swell in the heat or you want to tighten up for a harder effort, you can make quick adjustments on the fly.The Li2 dial also benefits from an improved construction to aid durability while also being lower profile to enhance aerodynamics.Cleat GuidanceThese MTB shoes are compatible with MTB pedal systems, which use cleats with SPD standard (2-bolt standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Unique inkjet printing finishBOA® Li2 dial and toe strapSurround wrap, microfibre synthetic leather and mesh upper for durability andbreathabilityHigh-density cup insole with adaptable arch padRX800 super-lightweight carbon soleStripped-back, abrasion resistant TPU lugs and anti-slip pads on the bottomWeight: 255gStiffness rating: 10/122-bolt cleat compatible (cleats not supplied)Buy Shimano Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano RX801 SPD ShoesIf you love to ride fast off-road, be it a gravel race, local trail loop or multi-day tour, the Shimano RX801 SPD Shoes balance superb comfort with ruthlessly efficient power transfer. Gravel Riding. Fast. Riding gravel encompasses a whole range of riding styles from those taking it easy and enjoying the scenery to those pushing their limits of speed and endurance in races. The RX801 SPD Shoes sit at this speedier/racier end of the spectrum.Shimano’s foot-hugging microfibre synthetic leather Dynalast upper offers superb comfort and gives you a supportive pedalling platform too. Mesh and perforations deliver excellent breathability, keeping your feet fresh during long hot days in the saddle.RX800 Carbon SoleRated 10 out of 12 on Shimano’s stiffness rating, the RX800 Carbon Sole will let you leave others in your dust. With your hard-won watts going straight to the pedals you’ll soon be up to speed and holding the pace.The sole unit also features stripped back TPU lugs, reducing overall shoe weight while still maintaining sure-footed performance when you're off the bike. With their two-bolt MTB pedal compatibility, you're also assured of the best pedalling efficiency and stability as you zip from gravel to road and back to gravel again.BOA® Li2 Dial SystemThe Boa® Li2 Dial System provide you with the ultimate in customisable fit. Micro-adjustment for both tightening and loosening ensure you get the fit just as you want it every time you ride. And as feet swell in the heat or you want to tighten up for a harder effort, you can make quick adjustments on the fly.The Li2 dial also benefits from an improved construction to aid durability while also being lower profile to enhance aerodynamics.Cleat GuidanceThese MTB shoes are compatible with MTB pedal systems, which use cleats with SPD standard (2-bolt standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Unique inkjet printing finishBOA® Li2 dial and toe strapSurround wrap, microfibre synthetic leather and mesh upper for durability andbreathabilityHigh-density cup insole with adaptable arch padRX800 super-lightweight carbon soleStripped-back, abrasion resistant TPU lugs and anti-slip pads on the bottomWeight: 255gStiffness rating: 10/122-bolt cleat compatible (cleats not supplied)Buy Shimano Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano RX801 SPD ShoesIf you love to ride fast off-road, be it a gravel race, local trail loop or multi-day tour, the Shimano RX801 SPD Shoes balance superb comfort with ruthlessly efficient power transfer. Gravel Riding. Fast. Riding gravel encompasses a whole range of riding styles from those taking it easy and enjoying the scenery to those pushing their limits of speed and endurance in races. The RX801 SPD Shoes sit at this speedier/racier end of the spectrum.Shimano’s foot-hugging microfibre synthetic leather Dynalast upper offers superb comfort and gives you a supportive pedalling platform too. Mesh and perforations deliver excellent breathability, keeping your feet fresh during long hot days in the saddle.RX800 Carbon SoleRated 10 out of 12 on Shimano’s stiffness rating, the RX800 Carbon Sole will let you leave others in your dust. With your hard-won watts going straight to the pedals you’ll soon be up to speed and holding the pace.The sole unit also features stripped back TPU lugs, reducing overall shoe weight while still maintaining sure-footed performance when you're off the bike. With their two-bolt MTB pedal compatibility, you're also assured of the best pedalling efficiency and stability as you zip from gravel to road and back to gravel again.BOA® Li2 Dial SystemThe Boa® Li2 Dial System provide you with the ultimate in customisable fit. Micro-adjustment for both tightening and loosening ensure you get the fit just as you want it every time you ride. And as feet swell in the heat or you want to tighten up for a harder effort, you can make quick adjustments on the fly.The Li2 dial also benefits from an improved construction to aid durability while also being lower profile to enhance aerodynamics.Cleat GuidanceThese MTB shoes are compatible with MTB pedal systems, which use cleats with SPD standard (2-bolt standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Unique inkjet printing finishBOA® Li2 dial and toe strapSurround wrap, microfibre synthetic leather and mesh upper for durability andbreathabilityHigh-density cup insole with adaptable arch padRX800 super-lightweight carbon soleStripped-back, abrasion resistant TPU lugs and anti-slip pads on the bottomWeight: 255gStiffness rating: 10/122-bolt cleat compatible (cleats not supplied)Buy Shimano Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano Dura-Ace R9100 CassetteShimano's Dura-Ace R9100 Cassette has been designed to be as lightweight as possible. The cassette's sprockets are made from alloy and carbon, reducing its overall weight without compromising on durability. Featuring Hyperglide EV sprockets, which are computer-designed for ultimate performance, this cassette provides quick shifting for whatever the road throws at you. Features:Materials: Spider Arms: CFRP (Carbon Fibre Reinforced Polymer) & Alloy; Sprockets: Alloy & 5 Titanium sprockets for lightweight performanceHyperglide EV sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under loadClose ratio gearing allows more efficient use of energy through finer cadence controlLargest sprockets are mounted on lightweight alloy and carbon carriers to reduce weight and increase rigidity5 largest sprockets are made from titanium to reduce weight without sacrificing strengthSprockets are extensively cut away and drilled to further reduce weight without reducing rigidityNickel-plated finish offers hard wearing resistance to corrosionAll cassettes in the range will be compatible with the one rear derailleur so you can easily swap your cassettes out based on terrain.Alloy cassette lockringWeight: 175g (11-25T), 193g (11-28T), 211g (11-30T), 189g (12-25T), 205g (12-28T)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 Ultegra R8070 Di2 11 Speed Shifter - AUShips from Australia - Estimated delivery in 2-4 business days.This Shimano Ultegra R8070 Di2 2x11-Speed STI Shifter offers an increase in accuracy and shifting precision, delivering a more intuitive operation. The updated ergonomic design of this Shimano Ultegra R8070 Di2 2x11-Speed STI Shifter clearly separates the shift buttons so you can shift easily and efficiently, even in the depths of winter when you're wearing thick gloves.Designed for Hydraulic BrakesThe R8070 dual control lever is designed specifically for use with hydraulic brakes for excellent rider feel and control in all conditions.Multi-ShiftEach switch on this Shimano Ultegra R8070 Di2 2x11-Speed STI Shifter can be used to multi-shift. Additionally, the top hood buttons can be programmed and customised through the Shimano E-Tube app or PC software to control third-party devices.Features: Material: Carbon Fibre (brake lever) Ergonomic design with greater reach Light action, define click engagement, vivid index shifting Updated internal shifting unit Powerful and controllable braking system Control third-party devices Multi-shift function Excellent control in poor weather conditions Weight: 148gTechnologies: Di2: The power and precision of Di2 is unmatched. It enables beautifully smooth shifting both front and rear. The lack of maintenance and adjustment is impressive: once you’ve customised your Di2 to shift to your preferences, it will continue to do so endlessly. E-Tube: Change all Di2 functions and operations through the shifter buttons behind the brake levers, the top hood buttons or satellite buttons for TT/Triathlon, sprinting and climbing. You can easily customise shift speed, multi-shift options and Synchro Shift. You can also customise the top hood buttons to control third party-devices, for example to scroll through bike computer menus. The functionality on third-party computers also allows you to display Di2 system information, such as battery level and the gear you’re in.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.