Shimano BB-RS501 Hollowtech II English Bottom Bracket Probes Easier and more accurate

Easier and more accurate

Specifications Product Size: 30 mm

3D mapping results in near custom fit and freedom of movement while ribbed elbows provide added durability

-Power meter displays for both alkalines and internal rechargeable battery

Shimano BB-RS501 Hollowtech II English Bottom Bracket Probes Easier and more accurateThe 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