BC1.37x24 English thread (BSA thread). Weight: 93g. Shell width: 68mm.
Shimano 105 BB-5500 Octalink Bottom Bracket - BSA Thread
Shimano 105 SM BBR60 Bottom Bracket BSA Threaded Hollowtech II Road Bicycle Bike
Shimano 105 SM BBR60 Bottom Bracket BSA Threaded Hollowtech II MTB Bicycle
Shimano 105 BB-5500 Octalink V1 Bottom Bracket 68x109.5mm BSA for Road Bikes
