Triumph / BSA Rear Wheel Chain Adjuster (1) - 37-3742 - 1971-79 - TR6 / A65 / T120 / T140

New Triumph rear wheel chain adjuster. Chain adjuster is made in England by L.F. Harris to replace Triumph and BSA part number 37-3742 and W3742. Hole measures 5/8"... suited for both conical and rear disc brake models. Fits Triumph 650 and 750 models from 1971-1979. Also fits BSA 650 (A65) models from 1971-1972. Check your parts book to ensure the best fitment.