The Profile Racing Galaxy Rust sprocket is CNC machined from 7075 aluminium in the USA and comes in a limited edition Galaxy Rust colour. It requires no sprocket bolt: instead it has a hardened chromoly steel insert that matches up to the 48 splines on the crank axle for pure, direct power transfer.
It is available for 22mm splined axles only and is supplied with the 22mm splined steel insert. The 1/8 inch tooth width suits most freestyle, street and single speed chains. Sizes are 25T and 28T, with the 25T at 78g.
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