Fits BSA A7

positive ground

and 4508-38 used on 1936-1946 Big Twins

The lights are hand made on a lathe

Exhaust clamps are available Parkerized with hardware

Wheel Bearing Adapter Tophats 25mm to 3/4" - Pair Length_.875" Fits BSA A7For use with 25MM wheel bearings, to accept a 3 4" axle Precision machined for an exact fit Designed for motorcyclists, by motorcylists Zinc plated steel Sold per pair Wheel Bearing Adapter Tophats are something we consider to be a 'problem solver'. A very simple part that solves a big problem. A problem that takes an exacting fit! When it comes to custom motorcycles and choppers, it is common to be mixing and matching parts that did not originally go