Hub width measure 3-1/4"

Inject a handful of King Cole's custom style into your chopper with Cole Foster Grips from Lowbrow Customs

and the square broach accepts any standard 3/8" drive ratchet for easy install

has a 1/2" diameter mounting hole

Tri-Spark Classic Twin Electronic Ignition System for Triumph BSA Norton Twins And SIngles Vendor_Cooper Smithing Co. Hub width measure 3-1/4"Introducing the Classic Twin Ignition, a marvel of 21st century technology designed to revolutionise your classic motorcycle experience. Say goodbye to complex installations and cumbersome black boxesour innovative system offers effortless installation, superior performance, and easy starting. Backed by years of experience and extensive development in the realm of classic motorcycles, the Classic Twin Ignition stands as a testament to precision