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  • Original price £25.00
    Original price £25.00 - Original price £25.00
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    Current price £17.99
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    Current price £17.99
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    Brompton Bottom Bracket Cartridge JIS 119mm

    Brompton
    Only 3 left!

    Factory replacement part for Brompton bikes. 68 x 119 sealed cartridge bottom bracket with plastic cups. We recommend installation by a qualified ...

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    Original price £25.00
    Original price £25.00 - Original price £25.00
    Original price £25.00
    Current price £17.99
    £17.99 - £17.99
    Current price £17.99
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  • Original price £29.99
    Original price £29.99 - Original price £29.99
    Original price £29.99
    Current price £19.99
    £19.99 - £19.99
    Current price £19.99
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    2x Shimano BB-UN300 Square Bottom Brackets - 73 x 113mm

    Shimano
    Only 3 left!

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

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    Original price £29.99
    Original price £29.99 - Original price £29.99
    Original price £29.99
    Current price £19.99
    £19.99 - £19.99
    Current price £19.99
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  • Original price £29.99
    Original price £29.99 - Original price £29.99
    Original price £29.99
    Current price £14.49
    £14.49 - £14.49
    Current price £14.49
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    Shimano BB-UN300 bottom brackets British thread, 73 - 118mm

    Shimano
    Only 3 left!

    Shimano BB-UN300 Bottom Bracket - British Thread A good quality bottom bracket for traditional chainsets Features: Super-accurate bearings for smo...

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    Original price £29.99
    Original price £29.99 - Original price £29.99
    Original price £29.99
    Current price £14.49
    £14.49 - £14.49
    Current price £14.49
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  • Original price £32.98
    Original price £32.98 - Original price £32.98
    Original price £32.98
    Current price £22.99
    £22.99 - £22.99
    Current price £22.99
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    2x Shimano BB-Un26 Bottom Brackets Silver 68 X 110Mm

    Shimano
    Only 2 left!

    Shimano UN26 bottom bracket Great value sealed cartridge UN26 Bottom Bracket with square tapered spindle Sealed cartridge bearing assembly - maint...

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    Original price £32.98
    Original price £32.98 - Original price £32.98
    Original price £32.98
    Current price £22.99
    £22.99 - £22.99
    Current price £22.99
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Our customer reviews

Fitting a quality bottom bracket to your bike is essential if you want to keep those pedals insulated and turning smoothly in all weather conditions. A bit of an unsung hero of the componentry world due to its tucked-away location, a durable bottom bracket does a sterling job.

We have all the different types and sizes, from BB30 bottom brackets to ISIS, splined, square tapered and the standard external bottom brackets. Look through top brands such as Shimano bottom brackets. We also have bottom brackets specific to each discipline. Whether you're in need of a replacement mtb bottom bracket, or you're in the market for a new road bike bottom bracket, Moose can help.