OPTICAL GEAR DISPLAY
The OPTICAL GEAR DISPLAY tells you which gear position is selected while riding your bike. You can see how many gears you can select either on the low side or top side, which makes shifting control easier.
CYCLING
The OPTICAL GEAR DISPLAY tells you which gear position is selected while riding your bike. You can see how many gears you can select either on the low side or top side, which makes shifting control easier.