AmazonUnique axle taper, these are not interchangeable with Shimano chain sets Cup Thread: BSA (1.37 x 24 tpi) or Italian (36mm x 24 tpi) Cups are machined from 7000 series aluminium alloy 16mm Heat Treated Hollow chromo axle
Unique axle taper, these are not interchangeable with Shimano chain sets Cup Thread: BSA (1.37 x 24 tpi) or Italian (36mm x 24 tpi) Cups are machined from 7000 series aluminium alloy 16mm Heat Treated Hollow chromo axle