First Components Bottom Bracket 68/122mm BSA
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:
adapter: aluminium (left), aluminium / steel (right)
axle: steel
$16.53
First Components Bottom Bracket 68/122mm BSA—
$16.53
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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:
adapter: aluminium (left), aluminium / steel (right)
axle: steel
