Description
The Shimano BB-RS501 bottom bracket features an enhanced seal construction to provide long-lasting performance and service life
- Designed for a perfect fit with Hollowtech II 24mm crank spindles
- Anodized aluminum cups are high strength and light weight
- Spindle Interface Type: Shimano Hollowtech II
- Series: Tiagra
- BB Shell Width: 68mm English, or 70mm Italian
- BB/Frame Interface: choose; English, or Italian
- Weight: 92g.
- Color: Silver
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