SHIMANO BB-UN300 BOTTOM BRACKET BRITISH THREAD 68mm Width:113mm and versatility in a mountain

and versatility in a mountain bike frame

while well-distributed air ventilation holes aid temperature regulation and breathability

Whether you're a seasoned rider or just starting out

Our most aggressively treaded trail and enduro tyre

10-45T or 10-51T wide ratio gearing allows a more efficient use of energy through finer cadence control in ever changing trail conditions

SHIMANO BB-UN300 BOTTOM BRACKET BRITISH THREAD 68mm Width:113mm and versatility in a mountainShimano BB UN300 Bottom Bracket BSA 68mm JIS Square Taper 127. 5mm (D EL) 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