Bottom Brackets

Outboard Bottom bracket bearing cups for use with 2-piece cap-free design road chainsetsMinimal bearing interface gives superbly smooth rollingEasy installationItalian thread

Shimano BB-UN300 British Thread Bottom Bracket Made with Shimano’s usual exacting standards, the BB-UN300 Bottom Bracket is an excellent option for bikes that have British threaded bottom bracket shells and chainsets with a traditional square tapered spindle fitting. Made into a one-piece unit, this bottom bracket keeps dirt, mud and water away from the sealed bearings to offer durability, corrosion resistance and low friction operation. The threaded construction installs easily without the need for any fiddly adjustments, and the narrow body of this unit means that it won't hinder gear and brake cables that are being routed internally through the frame's bottom bracket shell.

The RS500 HollowTech II Road Bottom Bracket from Shimano has outboard bottom bracket bearing cups for use with 2-piece cap-free design road chainsets. The minimal bearing interface gives superbly smooth rolling and easy installation. Available in British thread only.

A good quality bottom bracket for traditional chainsetsSuper-accurate bearings for smooth operation and improved durabilityDurable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fittingMaintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing lifeFast and easy installation without adjustmentNarrow body allows clearance for cable routing under the bottom bracket

himano BB-UN300 British Thread Square Taper Bottom Bracket ina variety of sizes for traditional chainsetsFeatures:A good quality bottom bracket for traditional chainsetsSuper-accurate bearings for smooth operation and improved durabilityDurable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fittingMaintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing lifeFast and easy installation without adjustmentNarrow body allows clearance for cable routing under the bottom bracket

Shimano BB-UN300 68mm Square Taper Bottom Bracket Shimano’s tried and trusted BB-UN300 68mm Bottom Bracket is perfect for traditional square taper chainsets, providing superb reliability and easy installation. The sealed bearings are smooth and durable whilst the narrow body leaves plenty of room within the frame for cable routing.

Rigid and lightweight for efficient power transfer "Durable reinforced spline system -OCTALINK 8-spline interface increases strength and rigidity of the assembly "26 g lighter than BB-ES25・Fast and perfect assembly "Good chain line control with chainstay stabilizer

This bottom bracket is suitable for mounting on a PF30 (Press Fit) frame with a crankset fitted with a short BB30 axle. It is suitable for 68 or 73mm wide cranksets.Details:Steel bearingsWeight: 50gCrate width: 73Case Standard: PressFit 30 (PF30)Internal case diameter: 46Bearing quality : SteelBottom bracket axle: 30 mmCrankset standard: PressFit 30

Compatible with SAINT cranks, the SAINT bottom bracket is available in 89.5 / 92 and 104.5 / 107 mm widths.

With reliable bearings and seals SHIMANO, the SHIMANO ULTEGRA bottom bracket has a long service life.

With reliable bearings and seals SHIMANO, the SHIMANO ULTEGRA bottom bracket has a long service life.

##Shimano BB-MT800 Bottom Bracket Cups - English 68/73mm Get reliable performance from the Shimano BB-MT800 Bottom Bracket Cups. Designed for compatibility with English threaded 68mm and 73mm shells, the sealed design prevents the ingress of water and dirt and makes for maintenance-free use. The anodised finish improves durability and longevity while installation is simple with the TL-FC25 tool (not included).

Splined bottom bracket for use with Shimano octalink chainsetsoversize bb spindle - large 22 mm diameter hollow cold forged chrome-moly pipe billet spindle reduces weight, increases strength and rigidityoctalink splined axle/crank arm interface - results in more rigid crank assembly compared to square tapered spindlesealed cartridge assembly with oversize ball bearings - maintenance-free high efficiency rubber seals keep out dirt, mud and watercartridge design allows easy installation without adjustment

Pedalboard box compatible with Shimano Octalink V2 pedalboards.Features:Thread type: BSA (1.37x24)Width 68 mmNo screwsFits all standard BSC threaded frames (not English) in 68mm wide boxes only. How to identify my bottom bracket? To know more about it Your bike creaks when you press hard on the pedals, the movement of the crankset has lost its fluidity or has become loose? The symptoms are clear: it's time to change your bottom bracket. Like all the parts that make up your bike, the bottom bracket and especially its bearings are subject to wear.Its replacement is a simple operation if it is well prepared, indeed the multiplication of the standards of bearings, bottom bracket and frame will discourage …

Splined bottom bracket for use with Shimano octalink chainsetsoversize bb spindle - large 22 mm diameter hollow cold forged chrome-moly pipe billet spindle reduces weight, increases strength and rigidityoctalink splined axle/crank arm interface - results in more rigid crank assembly compared to square tapered spindlesealed cartridge assembly with oversize ball bearings - maintenance-free high efficiency rubber seals keep out dirt, mud and watercartridge design allows easy installation without adjustment

Splined bottom bracket for use with Shimano octalink chainsetsoversize bb spindle - large 22 mm diameter hollow cold forged chrome-moly pipe billet spindle reduces weight, increases strength and rigidityoctalink splined axle/crank arm interface - results in more rigid crank assembly compared to square tapered spindlesealed cartridge assembly with oversize ball bearings - maintenance-free high efficiency rubber seals keep out dirt, mud and watercartridge design allows easy installation without adjustment

Splined bottom bracket for use with Shimano octalink chainsetsoversize bb spindle - large 22 mm diameter hollow cold forged chrome-moly pipe billet spindle reduces weight, increases strength and rigidityoctalink splined axle/crank arm interface - results in more rigid crank assembly compared to square tapered spindlesealed cartridge assembly with oversize ball bearings - maintenance-free high efficiency rubber seals keep out dirt, mud and watercartridge design allows easy installation without adjustment

4 g lighter and half the friction of the SM-BB6700, while maintaining the same robustness・Weight: 69 g

86.5mm Press-Fit bottom bracketSealed ring bearings.Easy to installFor 86.5mm frameReference : ISMBB7141B How to identify my bottom bracket? To know more about it Your bike creaks when you press hard on the pedals, the movement of the crankset has lost its fluidity or has become loose? The symptoms are clear: it's time to change your bottom bracket. Like all the parts that make up your bike, the bottom bracket and especially its bearings are subject to wear.Its replacement is a simple operation if it is well prepared, indeed the multiplication of the standards of bearings, bottom bracket and frame will discourage some. We will try to guide you through this jungle of standards. The bottom bracket …

The SAINT bottom bracket has a corresponding gold anodization and is compatible with 68, 73 and 83 mm threaded frames.

Splined bottom bracket for use with Shimano octalink chainsetsoversize bb spindle - large 22 mm diameter hollow cold forged chrome-moly pipe billet spindle reduces weight, increases strength and rigidityoctalink splined axle/crank arm interface - results in more rigid crank assembly compared to square tapered spindlesealed cartridge assembly with oversize ball bearings - maintenance-free high efficiency rubber seals keep out dirt, mud and watercartridge design allows easy installation without adjustment

Pressfit 30 bottom bracket to suit carbon road BB30 cranksets. Compatible with BB386 Evo, PF30, and BBRight frame standards. Ceramic bearings for minimum friction and maximum durability. Designed with clearance to allow internal routing of wiring for Di2 or other electronic shifting systems.Features:- Ceramic BB30 cartridge bearings- Nylon cups- Wave Spring and circlips included- Nylon adjustment washers includedSpecifications:- Weight: 76g Technology:BB386 EVO crank sets:All for One, One for All: FSA's latest evolution in bottom brackets spans press-fit and threaded standards. With the proper BB and/or adapter, this crank will work with almost any BB shell standard. 386EVO's symmetric BB shell …

For 68 and 73 mm wide BB30 frames.Features:Stainless steel BB30 cartridge bearings.Circlips and bearing covers included.

HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiencyHollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durabilityUse TLFC37 or TLFC25 in conjunction with TLFC36 adaptor tool for installation and removalFor use with Ultegra - 105 - CX70 chainwheels