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Go to the shopShimano BB-UN300 Square Taper bottom bracket for cranks with JIS Square Taper mounting. Suitable for frames with BSA thread 73 mm housing width.
Product features - Shimano BB-UN300 Square Taper 73mm BSA Bottom Bracket
Model: BB-UN300
BB-Type: Square Taper
Threaded: BSA
Threaded BB shell width: 73mm
Axle length:
113mm
118mm
122.5mm (D-NL)
122.5mm (LL123)
Material
Steel