Shimano BB-RS501 Hollowtech II English Bottom Bracket – Ride Bicycles
BB-R9100 Bottom Bracket Shimano Hollowtech II - IBKBike Cycling Shop
Do you guys recommend a hollowtech BB? I was attracted by the weight difference, but it seems like it's only 12 grams lighter for me. are there any other significant benefits? I'm
Shimano BB-MT501 Hollowtech II English Bottom Bracket (Black) (BSA) - Performance Bicycle