First Components Bottom Bracket 68/122mm BSA
First Components Bottom Bracket 68/122mm BSA is backordered and will ship as soon as it is back in stock.
Estimated Shipping Widget will be displayed here!
The quality and performance-oriented Shimano BB-UN300 cartridge bearing bottom bracket features a JIS square taper mount and is designed for frames with BSA thread and 68 mm shell width. A stabilizer ensures a constant chain line.
Material:
axle: steel