COK 2.0 Transmission system

Left shifter lever: SHIMANO ALTUS, SL-M2010-L, 3-SPEED 1800MM, BULK
Right shifter lever: SHIMANO ALTUS, SL-M2010-9R, 9-SPEED 2050MM BULK
Front Derailleur: SHIMNAO ALTUS, FD-M2000, 3*9, DOWN-SWING, DUAL-PULL, 34.9MM, BULK
REAR Derailleur: SHIMANO ALTUS, RD-M2000, ALTUS, SGS 9-SPEED,DIRECT ATTACHMENT, BULK
Chain: KMCZ9
Crankset: SUOLO-901-TT,22/30/40T*170mm ,9S,BB73