I have been reading about gearing and decided to check out what my bikes have.
The apollo orion 125cc has 15 front and 43 rear. (14" front, 12" rear)
The TDR 150 (140cc) has 14 front and 41 rear (17" front, 14" rear)
firstly, from what I have read 16 or 17 front and 37 back will be...