✨ New Arrivals Just Dropped!Explore
BB-UN300
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
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
Select Spindle Length
From $28.00
BB-UN300—
$28.00
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
