Bottom Bracket Shimano Ultegra SM-BBR60 BSA

Bottom Bracket Shimano Ultegra SM-BBR60 BSA

The Shimano Ultegra SM-BBR60 is a high-quality BSA threaded Hollowtech II bottom bracket designed for Ultegra, 105 and GRX cranksets. It delivers an excellent balance of low weight, stiffness and smooth rotation for road and gravel riding.

Outboard bearings improve weight distribution and stability, while smaller bearings reduce overall weight. The updated sealing system provides up to 50% less drag, ensuring efficient power transfer and long-lasting performance.

• Use: Road, Gravel
• Group: Ultegra, 105, GRX
• Model: SM-BBR60
• BB type: Hollowtech II (24 mm)
• Thread: BSA
• Shell width: 68 mm
• Weight: 77 g