
Rear Radial Brake Caliper Mount Bracket
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This is a CNC-machined 6061 billet aluminum bracket that adapts a radial rear brake caliper to 2009-and-up Harley-Davidson swingarms, and to the HHI Billet Performance Swingarm. It takes any radial caliper with the standard 108mm bolt spacing and 22.5mm offset, and ships with Grade 8 chrome mounting bolts. The point is stiffness: a machined billet part resists flex under hard braking better than a stamped or cast adapter, which is what riders upgrading rear stopping power are after. It suits riders building a radial rear brake setup on a late-model HD, not anyone on an earlier frame or a non-radial caliper.
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This rear radial brake caliper mount bracket is for Harley-Davidson motorcycles from 2009 on. It is CNC-machined from 6061 billet aluminum. It accepts any radial caliper with a 108mm mounting bolt pattern and a 22.5mm offset.
It bolts onto 2009-and-newer factory Harley-Davidson swingarms and onto the HHI Billet Performance Swingarm, with no custom fabrication. It is designed for an 11.8" rotor. It includes Grade 8 chrome mounting bolts and is made in the USA.
Anyone running a third-party caliper should verify its bolt pattern before ordering.