(We can only consider Australian retailers)
The BB-RS501 from Shimano is a high-quality bottom bracket for frames according to ITA standard. Accordingly, it is designed for a housing width of 70 mm and right-hand threads on both sides. Usable is the Shimano BB-RS501I with ITA thread for Hollowtech II cranksets with 24 mm shaft.
Specifications
Use: Road, Cyclocross, City, Gravel
Model: BB-RS501
BB Type: Hollowtech II (24 mm)
Threaded: ITA
Threaded BB Shell Width: 70 mm
Shell Diameter: ITA (M36)
Mounting: Screwed
Mfr Claimed Weight
93g