shell is normal british 68mm. to run bmx cranks you need the equivalent "euro BB", instead of an american/spanish (which utilise larger bearings and bigger shells) etc found on modern bmx's
@dogsballs started
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shell is normal british 68mm. to run bmx cranks you need the equivalent "euro BB", instead of an american/spanish (which utilise larger bearings and bigger shells) etc found on modern bmx's