Shimano BB-UN300 Bottom Bracket
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Details
Shimano BB-UN300 Square Spindle Bottom Brackets
Fits JIS square-taper cranksets
Crankarm fixing bolts sold separately
Hollow spindle
Shimano BB-UN300 Square Spindle Bottom Brackets
Fits JIS square-taper cranksets
Crankarm fixing bolts sold separately
Hollow spindle