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Shimano BB-UN300 Square Taper JIS 68x117.5mm Spindles BSA Bottom Bracket
Fits JIS square-taper cranksets
Crankarm fixing bolts sold separately
Hollow spindle
Simple and reliable square taper bottom bracket
Cr-Mo axle
Sealed cartridge bearings
Shimano FC-E6000 bolts suggested
Fixing bolts not included
