ISMBBR60B
![Shimano Ultegra BBR60 Hollowtech II English Bottom Bracket](http://shopbikesupply.com/cdn/shop/files/CR6800_{width}x.jpg?v=1715385717)
Shimano Ultegra BB72, BBR60 Hollowtech II Bottom Brackets
- Reduced size for light weight
- New seal construction for smoother rotation
- Requires TL-FC34 or included TL-FC24 adaptor for installation & removal