Shimano UN300 British Thread Bottom BracketThis MTB bottom bracket is specifically designed for traditional chainsets and it is available in many different size options to select. It features a durable and hard-wearing sealed cartridge with a square tapered spindle fitting. Shimano has also equipped this version with maintenance-free sealed cartridge bearings, which keep out mud, dirt and water for a longer bearing life.Features: Use: MTB Axle Length: Multiple options available to select Axle Size: Multiple options available to select Thread: British Compatibility: Traditional chainsets Bearings: Sealed cartridge Spindle Fitting: Square taperedTechnologies: Narrow Body: Narrow body allows clearance for cable routing under the bottom bracket. Sealed Cartridge Bearings: Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting. Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life. 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 Octalink Track Bottom BracketCompatible with Shimano's Octalink crank arm interface, the Dura Ace track bottom bracket features a hollow spindle to reduce weight with ball and needle bearings supporting it to increase rigidity.Features: 22mm diameter hollow CrMo pipe billet axle reduces weight Splined interface provides a more rigid crank assembly compared to tapered counterparts Compound bearing structure - ball and needle bearings support the spindle to reduce flex Cartridge design is easy to install, and comes without seals to minimise resistance Average Weight: 173gA 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 R9100 Bottom BracketCompatible with the entire Shimano road bike crankset range, the Dura-Ace R9100 bottom bracket brings you effortless rotation that lasts. Created to get the best out of your Dura-Ace crankset, its upgraded seal and compact bearings give you the race-ready performance you need in all riding conditions.Features: Type: Threaded, English and Italian thread options Suits Bottom Bracket Shell Size: 68mm (English thread) or 70mm wide (Italian thread) options Suits Axle Size: 24mm (Shimano Hollowtech II type cranksets) Compatibility: All Shimano Hollowtech II cranksets and other brands with 24mm spindles Use: Road bikes Small bearings offer a low overall weight Advanced seal construction for smoother rotation Manufacturer's Part Number: BB-R9100 Weight: 65gA 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 R9100 Bottom BracketCompatible with the entire Shimano road bike crankset range, the Dura-Ace R9100 bottom bracket brings you effortless rotation that lasts. Created to get the best out of your Dura-Ace crankset, its upgraded seal and compact bearings give you the race-ready performance you need in all riding conditions.Features: Type: Threaded, English and Italian thread options Suits Bottom Bracket Shell Size: 68mm (English thread) or 70mm wide (Italian thread) options Suits Axle Size: 24mm (Shimano Hollowtech II type cranksets) Compatibility: All Shimano Hollowtech II cranksets and other brands with 24mm spindles Use: Road bikes Small bearings offer a low overall weight Advanced seal construction for smoother rotation Manufacturer's Part Number: BB-R9100 Weight: 65gA 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 BB72 Road Press Fit Bottom BracketComplete press-fit bottom bracket assembly for Shimano HollowTech II road cranks. Features: Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damageSet includes left and right hand cups, inner cover, and inner O-ringsMaintenance freeCompatible with 86.5 mm shells41 mm cup diameterEasy press-fit installation 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 Tiagra 4700 Bottom BracketThe strong and durable Shimano Tiagra 4700 Bottom Bracket is designed for use with 2-piece, cap-free road chainsets. Incredibly easy to install, this bottom bracket also benefits from a minimal bearing interface, ensuring an incredibly smooth ride wherever the road takes you. Features:Thread: English ThreadedUse: RoadWeight: 72g (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 XT MT800 MTB Press Fit Bottom BracketSimple to install and built to deliver a smooth rotation that lasts, the XT Pressfit bottom bracket can be used in both mountain bikes and road bikes. This complete assembly comes with all you need to get your cranks rotating smoothly again, so you can make the most of your pedalling efforts. Shimano made this durable component from a reinforced polymer to prevent any creaking in the frame, plus the cups are fully sealed to protect them from water or mud ingress.Features:Type: BB92 PressfitBottom Bracket Compatibility: Compatible with 89.5mm (with 2.5mm spacer) and 92mm shellsDimensions: 41mm cup diameter, suits 89.5mm or 92mm shell widthsCups are made from fibre reinforced polymer material which reduces the risk of frame noise and damageCompatibility: Suits all chainsets with 24mm spindles (eg. all Shimano HollowTech II chainsets)Sealed cups keep out dirt and waterMaintenance-freeEasy press-fit installationIncluded: left and right-hand cups, 2.5mm spacer, inner cover, and inner O-ringsManufacturer Reference Code: BBMT800PAWeight: 68.2g (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 ES300 Octalink Bottom BracketSplined bottom bracket for use with Shimano Octalink chainsets.Features: Oversize BB spindle - large 22mm diameter hollow cold forged chrome-moly pipe billet spindle reduces weight, increases strength and rigidity Octalink splined axle/crank arm interface - results in more rigid crank assembly compared to square tapered spindle Sealed cartridge assembly with oversize ball bearings - maintenance-free high efficiency rubber seals keep out dirt, mud, and water Cartridge design allows easy installation without adjustmentA 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 BB52 HollowTech II Bottom BracketNow bringing you even an even better seal than previous Deore models, the Shimano Deore BB52 mountain bike bottom bracket offers better durability and smooth performance. Also suitable for use on city and road bikes, it can also operate with other chainset brands that feature spindles that are 24mm in diameter.Features: Type: English thread Width: For 68 or 73mm wide bb shells Compatible with: FC-T551, FC-T611, FC-M552, FC-M590, FC-M610, FC-M612, FC-M615, FC-M622, FC-M625, FC-M640, FC-M645 Designed for use chainsets with 24mm spindles Durable Smooth rotation Manufacturer's Reference Code: BB52B Weight: 100g (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 BB-R60 Ultegra 6800 Bottom BracketThe Shimano BB-R60 Ultegra 6800 bottom bracket is a threaded BB designed to work with Hollowtech II style Shimano Road chainsets. The TL-FC25 bottom bracket installation tool is not included.Features: 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 Compatible with all Shimano Hollowtech II road cranks Revised sealing system reduced drag by 50% Please Note: TL-FC25 bottom bracket installation tool is not included.Specifications: Material: Aluminium (Cups); Steel (Bearings) Recommended Use: Road cycling and racing Shell Type: External Thread: English (BSA) or Italian Shell Width: 68mm (Eng) or 70mm (Ita) Weight: 77gA 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 BB-R60 Ultegra 6800 Bottom BracketThe Shimano BB-R60 Ultegra 6800 bottom bracket is a threaded BB designed to work with Hollowtech II style Shimano Road chainsets. The TL-FC25 bottom bracket installation tool is not included.Features: 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 Compatible with all Shimano Hollowtech II road cranks Revised sealing system reduced drag by 50% Please Note: TL-FC25 bottom bracket installation tool is not included.Specifications: Material: Aluminium (Cups); Steel (Bearings) Recommended Use: Road cycling and racing Shell Type: External Thread: English (BSA) or Italian Shell Width: 68mm (Eng) or 70mm (Ita) Weight: 77gA 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 XTR BB93 HollowTech II Bottom BracketShimano XTR is the top-end model in Shimano's MTB range and this BB93 bottom bracket is constructed to make sure you get the best from your drivetrain. It's easy to install and requires no maintenance, and its precision-machined bearings are spaced further apart than before for increased durability and stability. This particular version is suitable for use in all 68/73mm bottom bracket shells and with its fully sealed design you don't need to worry about water or dirt getting in and affecting performance.Features: BB Thread Type: English Included: Left and right-hand cups, spacers, inner cover, and inner O-rings Compatible with 68mm and 73mm shell Compatible with all HollowTech II chainsets Compatible with all chainsets with 24mm spindles Genuine Shimano HollowTech II bottom bracket assembly Lightweight seal structure helps to remove vital gramsSealed cups keep out dirt and waterMaintenance freeDurable black anodised finishEasy installation BB spindle is integrated with chainsets right crank arm Manufacturer's Reference Code: BB93B Weight: 73gA 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.