Without mount ball

4mm) axle diameters

Lowered height of 3-1/2"

measured center to center of hole

performance machine radial mount 4 piston brake caliper for harley temp1421 Without mount ballPerformance Machine Radial Mount 4 piston Brake Caliper As used on the GP circuit, now available for custom bikes. Bolt on for Harley Davidson with optional available mount brackets and hardware kits. Will fit most other aftermarket forks such as Ohlins, Showa and other Metric bike custom front ends with radial caliper mount tabs, where caliper mounts directly to fork. May require custom spacers to match your 10" up to 11. 5" diameter brake rotor.