Shimano BSA Hollowtech II Bottom Bracket

The BB-RS501 from Shimano is a high-quality bottom bracket for frames to BSA standard with a 68 mm housing width. Usable is the Shimano BB-RS501I with BSA thread for Hollowtech II cranksets with 24 mm shaft.

Shimano BB-RS501 | 68mm shell width | BSA

Use: Road, Cyclocross, City, Gravel

Model: BB-RS501

BB-Type: HOLLOWTECH II (24mm)

Threaded: BSA

Threaded BB shell width: 68mm

Shell diameter: BSA (BC 1.37)

Mounting: screwed.

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