gearbox sprocket BSA A7 A10 B31 B33 STD

Description

gearbox sprocket BSA A/B model.

For STD-gearbox
Made in UK

5/8 x 3/8 chain.

18 – 21 teeth

choose your option
67-3064 – 18T
67-3065 – 19T
67-1111 – 20T
67-3065 – 21T