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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
Select Spindle Length
From $7.10
Original: $20.28
-65%BB-UN300—
$20.28
$7.10
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
