Triumph/ BSA Clutch Basket Chainwheel Pre-Unit 500/ 650cc 43-T

Clutch chain wheel,

Triumph Pre Unit Twins 1945-62,

O.E.M: 57-1549.

Fits all the pre-unit construction 500/ 650 twin cylinder

BSA A7, A10, B31, B33 Swinging arm models 1958 -on with 4 spring clutch

Triumph Pre-Unit 500/650cc pre unit models including 5T, 6T, T100, T110, T120, TR5, TR6 up to 1962. with a 5 plate clutch

500cc 1945-59,

650cc 1950-62.

Made as original (standard 43T)

Single chain type

hardened insert for the clutch rollers.

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