Carrera Sulcata BB axle lenght?

Decko
Decko Posts: 3
edited January 2016 in MTB beginners
Hi folks,,,, I recently got a carrera sulcata 29 Halfords best lol , but i bought it second hand , and now i need to change the BB and I don't think its the one the bike was built with so my question is does anyone know what the correct BB axle length should be? is it 110mm or 113mm?
cheers and happy biking

Comments

  • cooldad
    cooldad Posts: 32,599
    Depends on the crankset.
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  • The Rookie
    The Rookie Posts: 27,812
    The crankset needs a certain length BB to give the correct chainline, if the crankset has been changed you need the right BB for the crankset not the BB for the crankset that was originally supplied with the frame!

    Most (not all) Shimano cranksets want a 122mm.
    Currently riding a Whyte T130C, X0 drivetrain, Magura Trail brakes converted to mixed wheel size (homebuilt wheels) with 140mm Fox 34 Rhythm and RP23 suspension. 12.2Kg.

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