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Bottom Brackets

Our best selling bottom bracket is the now more popular integrated bottom bracket with outboard bearings. This is an attempt to address several issues associated with weight and stiffness. Bottom brackets from Shimano and Raceface offer great quality at reasonable prices.


Product Image Item Name+ Price
Hope External Bottom Bracket Cups

Hope External Bottom Bracket Cups

The external bottom bracket is available with two different bearing options. All common systems are covered with this upgrade unit - making it ideal...
£69.99 £59.36
Save: 15% off


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Hope External Bottom Bracket Cups - Ceramic Bearing

Hope External Bottom Bracket Cups - Ceramic Bearing

If you, like us, have been replacing other external bottom brackets on a regular basis, then this is the answer. Top quality bearings and sealing...
£94.99 £80.75
Save: 15% off


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Shimano 105 5500 bottom bracket

Shimano 105 5500 bottom bracket

Smooth-running Shimano 105 5500 Octalink sealed cartridge bottom bracket Splined Bottom bracket designed for use with Shimano road Octalink...
£34.99 £27.58
Save: 21% off


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Shimano 105 5600 bottom bracket cups

Shimano 105 5600 bottom bracket cups

Shimano outboard bottom bracket bearing cups for use with 105 FC5600 and FC5603 HollowTech II chainsets Outboard Bottom bracket bearing cups for use...
£29.99 £20.42
Save: 32% off


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Shimano Deore ES51 bottom bracket

Shimano Deore ES51 bottom bracket

Splined bottom bracket for use with Shimano Octalink chainsetsOversize BB spindle - large 22 mm diameter hollow pipe billet spindle reduces weight,...
£41.99 £34.73
Save: 17% off


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Shimano Deore HollowTech II bearing cups

Shimano Deore HollowTech II bearing cups

Genuine Shimano HollowTech II bottom bracket assembly Set includes left and right hand cups, spacers, inner cover, and inner O-rings Sealed cups keep...
£24.99

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Shimano Deore UN54 bottom bracket

Shimano Deore UN54 bottom bracket

A good quality bottom bracket for traditional chainsetsSuper-accurate bearings for smooth operation and improved durabilityDurable, hard-wearing...
£24.99 £20.42
Save: 18% off


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Shimano Dura Ace 7700 bottom bracket

Shimano Dura Ace 7700 bottom bracket

Premium quality Dura-Ace 7700 Octalink sealed cartridge bottom bracket Precision engineered Dura-Ace 7700 Bottom bracket for road Octalink splined...
£69.99 £56.19
Save: 20% off


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Shimano Dura Ace 7900 HollowTech II bearing cups

Shimano Dura Ace 7900 HollowTech II bearing cups

The bottom bracket bearings for the HollowTech II FC7900 crankset, which is he ultimate crankset for stiffness whilst keeping weight low for...
£39.99 £27.59
Save: 31% off


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Shimano LX, XT, and Saint HollowTech II bearing cups

Shimano LX, XT, and Saint HollowTech II bearing cups

Great value competition-quality Hone, LX, XT, Saint HollowTech II BB set Complete bottom bracket assembly for Hone, LX, XT, and Saint HollowTech II...
£34.99

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Shimano Saint HollowTech II M810 bottom bracket cups 68/73mm

Shimano Saint HollowTech II M810 bottom bracket cups 68/73mm

Genuine Shimano HollowTech II bottom bracket assembly Length of screw thread is increased to enable the fitment of chain devices Set includes left...
£44.99

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Shimano Saint HollowTech II M810 bottom bracket cups 83mm

Shimano Saint HollowTech II M810 bottom bracket cups 83mm

Genuine Shimano HollowTech II bottom bracket assembly Length of screw thread is increased to enable the fitment of chain devices Set includes left...
£44.99

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Shimano Tiagra 4500 bottom bracket cups - British thread

Shimano Tiagra 4500 bottom bracket cups - British thread

Outboard bottom bracket bearing cups for use with Tiagra FC4500 and FC4503 cap-free design 2-piece chainsets Outboard Bottom bracket bearing cups for...
£17.99 £14.30
Save: 21% off


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Shimano Tiagra 4500 Tiagra bottom bracket cups - Italian thread

Shimano Tiagra 4500 Tiagra bottom bracket cups - Italian thread

Outboard bottom bracket bearing cups for use with Tiagra FC4500 and FC4503 cap-free design 2-piece chainsets Outboard Bottom bracket bearing cups for...
£17.99 £14.30
Save: 21% off


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Shimano Ultegra 6600 Ultegra bottom bracket Hollowtech II cups

Shimano Ultegra 6600 Ultegra bottom bracket Hollowtech II cups

Outboard bottom bracket bearing cups for use with Ultegra FC6600 HollowTech II chainset The bottom bracket bearings for the HollowTech II FC6600...
£34.99 £23.50
Save: 33% off


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Shimano Ultegra 6601 Ultegra SL bottom bracket

Shimano Ultegra 6601 Ultegra SL bottom bracket

The bottom bracket bearings for the HollowTech II Ultegra SL crankset The bottom bracket bearings for the HollowTech II Ultegra SL cranksetMinimal...
£34.99 £28.60
Save: 18% off


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Shimano UN54 bottom bracket

Shimano UN54 bottom bracket

UN54 sealed cartridge bottom bracket with durable super-accurate bearings and hollow Square tapered spindle A good quality bottom bracket for...
£24.99 £20.42
Save: 18% off


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Shimano XTR M960 HollowTech II bearing cups

Shimano XTR M960 HollowTech II bearing cups

XTR M960 bottom bracket assembly Complete bottom bracket assembly for XTR M960 HollowTech II cranksSet includes left and right hand cups, spacers,...
£64.99 £51.08
Save: 21% off


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Shimano XTR M970 HollowTech II bearing cups

Shimano XTR M970 HollowTech II bearing cups

Genuine Shimano XTR M970 bottom bracket assembly Complete bottom bracket assembly for XTR M970 HollowTech II cranksSet includes left and right hand...
£62.99 £40.85
Save: 35% off


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