• Outboard Bottom bracket bearing cups for use with 2-piece cap-free design road chainsets• Minimal bearing interface gives superbly smooth rolling• Easy installation• British thread.
Shimano Bottom Bracket BB-MT801 68/73mm Threaded Bike Crank Bearings
CRANK BOLTS SQUARE TAPER M8 UNIVERSAL SHIMANO BOTTOM BRACKET AXLE ALLEN KEY
BIKE CRANK BOLTS SQUARE TAPER M8 UNIVERSAL FIT SHIMANO BOTTOM BRACKET AXLE 18MM
Shimano Bottom Bracket UN300 68 x 122.5mm Square Taper BB British Thread
Shimano Bottom Bracket UN300 73 x 122.5mm BB British Thread Square Taper
Prestine PT-6637 PF30 Shimano Bottom Bracket
