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    • Shimano UN55 Square Taper Bottom Bracket

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  • Shimano UN55 Square Taper Bottom Bracket

    The Shimano UN55 Square Taper Bottom Bracket has super-accurate bearings for smooth operation and improved durability. With a durable and hard-wearing sealed cartridge, this bottom bracket is maintenance free and keeps dirt, water, and mud from penetrating the unit.

    Features:

    • A good quality bottom bracket for traditional chainsets
    • Super-accurate bearings for smooth operation and improved durability
    • Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting
    • Lightweight hollow spindle
    • Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life
    • Fast and easy installation without adjustment
    • Narrow body allows clearance for cable routing under the bottom bracket

    A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).

    Buy Shimano Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.

    Specs

    • Colour: Silver
    • Size: 73 x 113mm, 73 x 110mm, 68 x 107mm, 73 x 122.5mm, 73 x 118mm, 68 x 127mm, 73 x 107mm, 68 x 113mm, 70 x 110mm, 68 x 110mm, 70 x 107mm, 68 x 118mm, 70 x 115mm, 68 x 115mm, 70 x 113mm
    • Option: English Thread, Italian Thread
  • Save Up To 47%
    RRP £29.99
    £15.99 - £20.99 15.99 20.99
    Select Colour
    Silver
    Select Option
    English Thread
    Italian Thread
    Select Size
    68 x 107mm
    68 x 110mm
    68 x 113mm
    68 x 115mm
    68 x 118mm
    68 x 127mm
    70 x 107mm
    70 x 110mm
    70 x 113mm
    70 x 115mm
    73 x 107mm
    73 x 110mm
    73 x 113mm
    73 x 118mm
    73 x 122.5mm
    Email me when in stock

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    Bottom Brackets Buying Guide

    We’ve got everything you need to know in our buying guide...

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