parkerized clamp fits 1930-up '45'

as well as custom applications with 3/4 inch axles

This 21 x 2

This aluminum drift is machined to fit your inner cam bushing that goes into the blind on the primary side of the case as well as the outer cam bushing on the timing side of the case

1953-54 Servicar

Rear Caliper Bracket for Rigid Models with 11-1/2 inch Rotors - 3/4" Axle - Black Length_2.098" parkerized clamp fits 1930-up '45'Mount your four piston caliper with confidence using this heavy duty, American made rear caliper bracket from Lowbrow Customs. Designed specifically for rigid (hardtail) motorcycles, this bracket is perfect for custom builds and Harley Davidson Sportsters using an 11 1 2 inch brake rotor and a 3 4" axle. Also a great option for custom Big Twins. Made in the USA. Compatibility: Mid USA Calipers Performance Machine Classic Calipers May also work with