New Triumph twins & triples rear wheel spacer. This spacer is to be used on the "timing side" (right hand side) of your motorcycle between the swing-arm and your speedo drive - also known as a rear wheel speedo drive spacer or distance piece - Measures approx 1 1/16" long, 1" outer diameter & 13/16" I.D.  

Made in England from steel and replaces Triumph part numbers. 37-1477 & W1477. Fits Triumph 350 & 500 unit twins from 1961-71, Triumph 650 twins from 1966-1970 & Triumph "Triples" from 1968-1970. Please refer to your parts book to ensure the best fitment