Bottom Brackets Shimano

Square bottom bracket axle Shimano BB-UN300 BSA D-NL

Quality and original spare part Shimano. Bottom bracket using sealed bearings. Alloy cups and body save weight. Check the diameters to avoid damaging the frame which is not threaded.

Shimano Deore MTB Bottom Bracket BB52 Silver EnglishThe Deore BB52 bottom bracket cups for Shimano cranksets with integrated axle offers better sealing performance than the precursor version SM-BB51. The seal design provides smooth rotation and longer durability.

Genuine Shimano HollowTech II bottom bracket assemblySet includes left and right hand cups, spacers, inner cover, and inner O-ringsSealed cups keep out dirt and waterMaintenance freeCompatible with 68 mm and 73 mm shellDurable anodised finishEasy installationBottom Bracket TypeBSA ThreadedColourBlackDisciplineMTBProduct TypeBottom Brackets

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.

Thanks to improved sealing and better rotation, the SHIMANO DEORE bottom bracket delivers high pedaling efficiency.FEATURESImproved sealing performance

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 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.

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.

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.

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.

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.

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.

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.

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.

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.

Complete XT level press-fit bottom bracket assembly for Shimano hollowtech ii MTB crankscups are made from fibre reinforced polymer material which reduces the risk of frame noise and damageset includes left and right hand cups, 2.5 mm spacer, inner cover, and inner o-ringssealed cups keep out dirt and watermaintenance freecompatible with 89.5 mm (with 2.5 mm spacer) and 92 mm shells41 mm cup diametereasy press-fit installation

Shimano SM-BB71 PressFit Bottom Bracket 86.5mm The Shimano SM-BB71 PressFit Bottom Bracket 86.5mm is a complete Ultegra press-fit bottom bracket assembly for Shimano HollowTech II road cranks. The cups are sealed to keep out rain moisture and debris and constructed from fibre reinforced polymer material to reduce the chance of frame creaks. This bottom bracket has a 41mm cup diameter and is compatible with 86.5mm shells.