Shimano BB-UN300
Simple, reliable square-taper bottom bracket set
Replaces both the BB-UN26 and BB-UN55
Sealed cartridge bearing
Cr-Mo axle
For bikes equipped with a chain guard, choose BB-UN300-K
For compatibility with an E-type front derailleur, choose BB-UN300-E
Without chainring bolts; Shimano FC-E6000 bolts recommended
Replaces both the BB-UN26 and BB-UN55
Sealed cartridge bearing
Cr-Mo axle
For bikes equipped with a chain guard, choose BB-UN300-K
For compatibility with an E-type front derailleur, choose BB-UN300-E
Without chainring bolts; Shimano FC-E6000 bolts recommended
Shimano BB-UN30068 mm / 110 mm
Sale price24.99$
Specifications
Specifications
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Reviews
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