Shimano BBR-60 Bottom Bracket Cups (Ultegra / 105 11Spd)
Shimano HollowTech II technology uses a wider outer bearing placement and larger axle diameter for increased stiffness and efficiency. While it's sealed design has a minimal bearing interface ensuring smooth rolling and increased durability.
- Available in English or Italian threads
- 24mm internal diameter for use with all Shimano Hollowtech compatible chainsets
- Compatible with 46/4700, 57/5800, 67/6800 chainsets
- Please note the external diameter of the cups is smaller than previous and requires Shimano tool TL-FC25 if using an older BB tool, Park Tool BBT-59, or Shimano TL-FC37