How Hyper Havoc Bike Shifters Work?
How Hyper Havoc Bike Shifters Work? How do you use Microshift gears? How do vintage bike shifters work? Lever or downtube shifters are the older style of shifters often found on old steel road bikes. The right one shifts the rear derailleur and the left, the front. Pulling the left, or front, lever backwards tightens