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    • Nukeproof Steel Headset Bearing

  • Nukeproof Steel Headset Bearing

    Genuine replacement headset cartridge bearing from Nukeproof.

    • SB-A-30mm: Replacement bearing for all 1 1/8th Nukeproof headsets (Top Cups: T1 & T2, Bottom Cups B1-B4) Fits Nukeproof 1 1/8” headset cups for 1 1/8” steerer
    • SB-B-40mm-Pre 2015: Replacement bearing for 1.5” Nukeproof headsets (pre 2015)
    • SB-B-40mm-2015 onwards: Replacement bearing for 1.5” Nukeproof headsets (2015 onwards Top Cup T3, Bottom Cup B5 – B8) Fits Nukeproof 1.5” headset cups for 1.5” steerer

    Specifications:

    • SB-A - 30mm: 41.0 x 45 x 45
    • SB-B - 40mm - Pre 2015: 51.8 x 36 x 45
    • SB-B - 40mm - 2015 Onwards: 51.8 x 45 x 45

    Buy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

    Specs

    • Colour: Silver
    • Option: SB-B - 40mm - 2015 Onwards, SB-A - 30mm, SB-B - 40mm - Pre 2015
    • Steerer Diameter: 1.5", 1.1/8"
  • £5.99 - £9.99 5.99 9.99
    Select Colour
    Silver
    Select Option
    SB-A - 30mm
    SB-B - 40mm - 2015 Onwards
    SB-B - 40mm - Pre 2015
    Select Steerer Diameter
    1.1/8"
    1.5"
    Email me when in stock

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    Headsets Buying Guide

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

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