Velocette Clutch Chainwheel with Clutch Centre / Ball Race BearingWidth is 18 mmPlease look at all picturesMSS Viper Venom Clubman 350cc (MKI and MKII) Scrambler 350cc Clubman 500cc (MKI and MKII) Scrambler 500cc Thruxton Endurance
S25,S26,S27,S28,S29,S30-
9,S31-7 493cc ,SV 1925-31
Please look at all pictures
including gudgeon Pin, piston rings and circlips
Piston Clearance 0.12mm or 45thou