julio 22, 2026Publicado Por En julio 22, 2026Shimano Hollowtech II Bottom Bracket SM-BBR60 BSA 68mm Road Bike UltegraCrankset Compatibility: 24mm Spindle (Hollowtech II). It is the standard component for Shimano Ultegra (R8000/6800) and 105 (R7000/5800) series drivetrains. Series Compatibility: Ultegra, 105, GRX. BB Shell Width: 68mm.
