Triumph / BSA Twins Mainshaft Gearbox Bearing (1) - 60-3552 T120 / TR6 / A65 A10 M Part number is 82-9715

M Part number is 82-9715

M Part number is 37-1230 or W1230

We have a few adjusters to choose form

This TDC tool comes with two threads (BSF and UNC) on each side to work with early threads and later threads that were change on Triumph twins in the late 1960s

Triumph / BSA Twins Mainshaft Gearbox Bearing (1) - 60-3552 T120 / TR6 / A65 A10 M Part number is 82-9715*Stock Is Limited!* New Triumph & BSA Mainshaft Gearbox Bearing. This is an Excellent quality bearing that is ready to be installed! Bearing installs on the inner gearbox cover on both Unit & Pre Unit Twins. Fits Triumph T100 models from 1939 1959. Fits all Triumph Unit 650 & 750 models (Bonneville, T120, TR6, Thunderbird, 6T, Tiger, TR6C, Trophy, T120RV, TR6CV, T140, Etc) from 1963 1982. Fits all BSA 500 & 650 Unit Twins from 1962 1972. Also fits