New original Norton twins 21 tooth mainshaft 3rd gear for the AMC gearbox furnished under the 04-0635 spares number.
Buyer pays calculated shipping. I do combine shipping so please contact me if you are planning on multiple purchases.
If you have any questions you can contact Bikes & Bits through the eBay ask a question link. Check back as I am slowly cleaning out a 50 year collection of new and used British motorcycle spares and other stuff collected through the years.