Triumph Gearbox Sprocket 20T. 4-Speed Unit 650 cc Gearbox and 4-Speed Triples
s115). 57-1919.20T. T1919. 57-1919.20T. T1919Gearbox Sprocket Triumph 20T
4-Speed 650 cc Twins 1964 on
and 4 Speed Triples
Unit 650
Chain 110-056-...
Chain 530
5/8" x 3/8"
Made in England