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 |