Genuine Shimano replacement part. • Square taper bottom bracket fitment. • Pin position with better clearance toward chaincase. • Wide variety of choices: 44-32-22T/48-36-26T. • Without chain guard. • Black. • 9 speed.
Shimano UN55 Square Taper Bottom Bracket 68mm x 115mm
SHIMANO UN300 SQUARE TAPER BOTTOM BRACKET 68 X 110 / 113 / 115 / 118 / 122.5mm
Shimano M311 Square Taper 48/38/28T 170mm 9 Speed Bike Triple Chainset
Shimano Altus Chainset M371 MTB Square Taper 44/32/22T 170mm 9 Speed Black
Shimano Chainset Altus M371 MTB Square Taper 44/32/22T 170mm 9 Speed Black
Shimano FC-M371 chainset square taper 44/32/22T 175 mm black
