High gear bearing BSA 250cc C11G/C12 4 speed, C15/B40 Sports (1965-66), C15/B40 (1967-), 500cc B50 (1971-72), Triumph TR25/TR25W (1967-), 350cc Unit twins, 500cc Unit twins, Royal Enfield 350/500/700cc models.
OD : Aprox 2-1/2″
ID : Aprox 1-3/16″
Width : Aprox 5/8
