Bike Bottom Brackets

Choosing a well made bike bottom bracket will make sure that every time you turn the pedals, the motion is smooth and the performance is consistent. You can find various bottom brackets and accessories associated with this important component here at Bikeparts.co.uk.

We stock full bottom bracket assemblies from brands like Shimano, Sram and Truvativ. You can also find bearing kits, adaptors and other add-ons that will let you repair and tweak your current bottom bracket setup.

Bottom brackets of different diameters are available, and you can also narrow down your options to those products which are aimed at a particular type of bike. For mountain bike and hybrid bottom brackets, we have lots of promising options. For road bike bottom brackets, you will have just as much choice and enjoy the same competitive pricing.

If you are a newcomer to the world of cycling components and are in need of a little guidance, contact us and we can talk you through the specifics of what our products have to offer. You might be looking to repair your bike after the original bottom bracket suffers damage. You might be eager to upgrade to a higher end component than the stock part that was included as standard. Whatever your aims, we have what you need.

Shimano BB-UN55 bottom bracket British thread 68 - 122.5 mm
Save £15.00
£29.99
£14.99

Shimano BB-UN55 bottom bracket British thread 68 - 122.5 mm

Shimano

A good quality bottom bracket for traditional chainsets Super-accurate bearings for smooth operation and improved durability Durable, ha...

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£29.99
£14.99
Save £15.00
Shimano BB-UN26 bottom bracket 68 - 122.5 mm
Save £10.41
£16.99
£6.58

Shimano BB-UN26 bottom bracket 68 - 122.5 mm

Shimano

Great value sealed cartridge UN26 Bottom Bracket with square tapered spindle Sealed cartridge bearing assembly - maintenance-free sealed cartridge...

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£16.99
£6.58
Save £10.41
Shimano BB-5500 105 bottom bracket 68 - 109 mm
Save £18.14
£49.99
£31.85

Shimano BB-5500 105 bottom bracket 68 - 109 mm

Shimano

Splined bottom bracket designed for use with Shimano road Octalink crankset Oversize BB spindle - large 22 mm diameter chrome-moly hollow pipe bil...

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£49.99
£31.85
Save £18.14
Shimano SM-BB52 Deore outboard bearing bottom bracket set, English thread, 68 / 73 mm
Save £6.09
£16.99
£10.90

Shimano SM-BB52 Deore outboard bearing bottom bracket set, English thread, 68 / 73 mm

Shimano

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

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£16.99
£10.90
Save £6.09
Wheels MFG Universal Bottom Bracket Press
£50.41

Wheels MFG Universal Bottom Bracket Press

Wheels Manufacturing

Designed to press in all current Wheels Mfg bottom brackets Economical and easy to use, this tool is made up of two machined aluminum handles,1/2"...

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£50.41
Wheels MFG PressFit 30 Angular Contact Bearing - Red
£59.98

Wheels MFG PressFit 30 Angular Contact Bearing - Red

Wheels Manufacturing

PressFit 30 bottom bracket with angular contact bearings Serviceable, double lip sealed Enduro bearings Exterior silicone ring allows for easy ins...

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£59.98
Shimano Road press fit bottom bracket with inner cover, for 86.5 mm
Save £25.50
£49.99
£24.49

Shimano Road press fit bottom bracket with inner cover, for 86.5 mm

Shimano

Complete press-fit bottom bracket assembly for Shimano HollowTech II road cranks Cups are made from fibre reinforced polymer material which reduce...

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£49.99
£24.49
Save £25.50
Shimano BB-UN55 bottom bracket British thread 68 - 113 mm
Save £12.09
£29.99
£17.90

Shimano BB-UN55 bottom bracket British thread 68 - 113 mm

Shimano

A good quality bottom bracket for traditional chainsets Super-accurate bearings for smooth operation and improved durability Durable, hard-wearing...

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£29.99
£17.90
Save £12.09