Description
Precision machined AL6061 cups for a superior fit and noise-free operation
Low-friction dual seals protect the bearings from harmful contaminants
Sealed dual-row premium flanged bearings
Designed for installing BB30 Wide, BB386, BB392, and other 30mm spindle cranks into BB86/92 frames*
*For use with 30mm diameter cranks with a spindle length of at least 104mm
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