Description
Forged and CNC machined AL6061 thread-in cups for a superior fit and noise-free operation
Low-friction dual seals protect the bearings from harmful contaminants
Sealed premium bearings are serviceable
Designed for installing BB30 Wide or BB386 30mm spindle cranks into BSA threaded frames*
*For use with 30mm diameter cranks with a spindle length of at least 104mm
Origin8 Nylon composite BB tools are recommended to avoid the possibility of damaging the cups
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