4-1 / 2" Anchor Backing Plate Assembly, 1" Bore Roller Chassis 90 Degree Adapter for Zamp

90 Degree Adapter for Zamp Racing Helmets

This is the 'short' or 'standard' version of this needle bearing

a #219 chain breaker is recommended

and also 1/4" wheel studs and 5/16" wheel studs if desired

Each seal is approximately 10mm in ID

4-1 / 2" Anchor Backing Plate Assembly, 1" Bore Roller Chassis 90 Degree Adapter for Zamp4 1 2" Anchor Backing Plate Assembly, with 1" Bore. This backing plate assembly is designed to be the functional brake shoe and drum assembly, internal to the entire braking package for your yard kart. Each system also has a 1" hole inside to allow the axle to spin and rotate through the brake assembly.