This is a brand new kick start ratchet and pinion gear.

Ratchet pinion gear measurement:
Thickness: 0.658"
Outside Diameter: 1 1/2"
Inside Diameter: 13/16"

Fits: BSA M20, M21, M33, B31, B32, B33, B34 from 1938-63 Plunger and Rigid models frame.

Part number: 66-3079, 66-3080

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