I have run a set of these on my BSA since I built it and they work and look great

and all Triumph unit twins 500 650 750

Bolt & Screw Type: Button Head Torx

Front Axle Nut Kit Chrome Plated Fits 1946-71 Harley-Davidson Big Twins

NOTE: See Related Products below for a variety of Harley-Davidson model specific mounting brackets for the FiltroMax

3/4 inch ID x 3/4 inch Long Aluminum Motorcycle Wheel Axle Spacers - Pair Brand_Kibblewhite Precision Machining I have run a set3 4 inch (. 75"") length. Sold as a pair. These perfectly machined aluminum axle spacers are 3 4 inch inside diameter, perfect for spacing out the wheels on your chopper or custom motorcycle. Each spacer is 1. 125 inch outside diameter. Made in the USA. Check out more our aftermarket wheel spacers at our store now.