TRIUMPH PART NUMBER IS 57-0280 (T280) - BSA 67-3028 or 42-5821. A GEARBOX MAIN-SHAFT BEARING CIRCLIP FITTED TO BOTH UNIT & PRE-UNIT MODELS FROM 1946 TO THE LAST HARRIS BONNEVILLE MODELS ENDED PRODUCTION.
90-0011 BSA C11G C12 C25 B25 B44 B50 GEARBOX MAINSHAFT BEARING
PRE UNIT TRIUMPH GEARBOX MAINSHAFT BUSH GENUINE NOS
TRIUMPH GEARBOX MAINSHAFT CIRCLIP 1937-62 T280 57-0280 UK MADE
TRIUMPH 3T 5T 6T TR6 T120 ORIGINAL GEARBOX MAINSHAFT HIGH GEAR BUSH 57-1370
TRIUMPH UNIT 350 / 500 GEARBOX MAINSHAFT 57 1407 3TA 5TA T90 T100 UP TO 1966 CEI
TRIUMPH T140 T160 TR7 BONNEVILLE TRIDENT GEARBOX MAINSHAFT BRG CIRCLIP 57-4113
