SHIMANO Ultegra SM-BBR60 Hollowtech II Bottom Bracket | 68mm BSA
Upgrade your drivetrain with the Shimano Ultegra SM-BBR60 Hollowtech II bottom bracket, engineered for smooth, efficient power transfer and long-term reliability.
Designed with smaller, high-precision bearings, the SM-BBR60 reduces rotational resistance while maintaining excellent durability for everyday riding and high-cadence efforts. Its lightweight construction improves efficiency without compromising strength, making it a trusted choice for road, single-speed, and fixed-gear bikes using Hollowtech II cranksets.
Compatible with 68mm BSA (English-threaded) frames, this bottom bracket is an ideal replacement or upgrade for riders seeking quiet operation, smooth spin, and proven SHIMANO performance.
Specifications
- Model: SHIMANO SM-BBR60 Ultegra
- Type: External Hollowtech II
- Shell Width: 68mm
- Thread Standard: BSA / English (BC 1.37" x 24T)
- Weight: Approx. 85g
- Compatibility: Hollowtech II cranksets
- Ideal For: Road, Single Speed, Fixed Gear bikes
- Made In: Japan
✔ Fits all XFIXXI bike frames with 68mm bottom bracket shells.