Bicycle bottom brackets

Assorted bottom bracket spindle spacers for fine tuning crank arm offset, 2pcs x 0.6mm, 2pcs x 1.5mm, 2pcs x 3mm.

The bottom bracket is a very important part of a bicycle. It is placed into the bottom side of the frame and is one of the parts responsible for the bike traction system since it supports the power while pedalling. It is where you connect the cranks, and afterwards the chainring and pedals.This English, or BSA, bottom bracket belongs to the JIS standard, it is 110 millimetres long, it has sealed bearings with steel shaft and cups. BSA or English bottom brackets are generally used for modern bikes. This is the bottom bracket of choice if the crankset of your bike tells you to combine it with a 110mm bottom bracket. This way you'll ensure the perfect chain alignment of your bike.

Bottom bracket reducer, valid for installing 24mm diameter cranks on an EVO386 bottom bracket (86mm wide and 46mm diameter case) Compatible with any 30mm internal diameter bearing / bottom bracket. Reduces the internal diameter of the bearing from 30 to 24mm to be able to install cranks with a 24mm thick axle (Shimano HollowTech / FSA MegaExo)

FSA BB 30/68 EVO 386 Bottom Bracket Adapter BB30 / 68mm bottom bracket adapter to FSA 386EVO bottom bracket set.

The Shimano BB-UN300 BSA 68x127.5 bottom bracket is an essential component for cyclists seeking performance and durability on their rides. This bottom bracket is designed for various cycling applications, including city, touring, trekking, road, all mountain, and cross country. Its BSA mounting type and 68 mm wide bottom bracket shell ensure a secure and stable installation in most bike frames. The 127.5 mm long square taper spindle provides a robust and efficient connection with the cranks, ensuring optimal power transfer with every pedal stroke. Additionally, compatibility with the BC 1.37 x 24 standard and steel bearings ensures excellent resistance and durability over time. The Shimano BB-UN300 …

CeramicSpeed BB86 / 92 BB Reducer Bottom bracket reducer, valid for installing Sram DUB cranks with a 28'99mm thick axle on a BB86 / 92 bottom bracket with 30mm internal bearing diameter.

##Shimano MT800 Press Fit Bottom Bracket with Inner Cover

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.

Allows the installation of FSA diameter 24mm spindle MegaExo cranksets, as well as Shimano HollowTech II cranksets into BB30 & PF30 road bike bottom bracket shells (BB30 or PF30 BB required, not included).Features:- Aluminum with plastic insert- For Energy, Gossamer Pro, Gossamer, Vision TriMax, and MegaExo cranksetsSpecifications:- Weight: 83gTechnology:Press-fit 30:Press-fit composite cups with BB30 bearings fit BB30 cranksets to press-fit standard frames.Mega Quad:ISIS spindle bottom brackets with 4 bearings: a heavy-duty BB for use where higher strength and durability are required.

Shimano SM-BB72 Road-Fit Press-Fit Bottom Bracket Sitting at Ultegra level, the Shimano SM-BB72 Road-Fit Press-Fit Bottom Bracket delivers lasting, smooth performance to your compatible road bike. Constructed from a fibre reinforced polymer, the cups are easy to press in and also reduce the risk of creaking. The sealed cups prevent water ingress, helping to keep the bearings in peak condition for longer.

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.

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.

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.

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.

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.

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.

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.

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.

Key Features:Sealed cartridgeLength: 122mmGround steel JIS square-taper axleSpecial zinc-plated steel cupsThread 1,370 x 24F inch (BSA)

You had your choice of any bike in the shop but you made your selection based on potential upgrade options. The Press Fit 4124 will easily accommodate your handpicked rig with its press fit, 41mm diameter with 24mm axle BB shell. ROTOR conceived its Universal Bottom Bracket (UBB) concept to eliminate the complicated bottom bracket/crank compatibility challenge that has increasingly frustrated the mechanics at your LBS. The Press Fit 4124 is the ´´yes´´ component to ´´Is this compatible with my press fit 41mm diameter BB shell for a 24mm axle?´´Versions:- 55g PF4124 steel black - 60gCharacteristics:- Designed to work with BB86, BB89 and BB92 bottom brackets 100% CNC-machined, 7075 aluminum- Labyrint…

Shimano BB-ES300 Octalink Bottom Bracket The Shimano BB-ES300 Bottom Bracket is for use with Octalink cranksets. The hollow, oversized 22mm spindle reduces weight whilst retaining all the stiffness necessary for pedalling efficiency and the splined interface improves rigidity. Sealed cartridge bearings and rubber seals keep the bottom bracket maintenance-free.

Shimano BB-ES300 Octalink Bottom Bracket The Shimano BB-ES300 Bottom Bracket is for use with Octalink cranksets. The hollow, oversized 22mm spindle reduces weight whilst retaining all the stiffness necessary for pedalling efficiency and the splined interface improves rigidity. Sealed cartridge bearings and rubber seals keep the bottom bracket maintenance-free.

SRAM GXP Team Bottom Bracket Cups Ideal for all road bikes, this SRAM bottom bracket will keep your pedals turning smoothly. SRAM uses gutter seal technology that vastly improves sealing against the elements while reducing seal drag. The GXP system uses two bicycle-specific cartridge bearings and eight seals for a smooth and long-lasting ride.

Shimano Ultegra 6800 HollowTech II Bottom Bracket The Shimano Ultegra 6800 bottom bracket offers a slightly updated shape and promises of up to half the friction over the previous 6700 bottom bracket. The Ultegra 6800 bottom bracket shaves approximately 14 grams over its predecessor, weighing in at just 77 grams.