The Shimano BB-RS501 Hollowtech II bicycle bottom bracket is designed for road bikes and features externally mounted bearings for better weight distribution and greater stability. Its sealed, watertight bearings help extend its service life.
- Type: Road
- Bottom bracket type: HOLLOWTECH II
- Thread: BSA (BC 1.37 x 24T)
- Bottom bracket shell width: 68–70 mm
- Series: Tiagra
- Compatibility: Dura-Ace, Ultegra, 105, Tiagra, Sora
- Weight: 92
- Bicycle parts: For the gears
- Product Number
- EBBRS501B
- Type
- Medium Friction
- Bicycle Parts
- For the Gears
- Type
- Road
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.