How to Reset Gears on a Mountain Bike for Optimal Performance
To reset gears on a mountain bike, first, shift the bike to the highest gear. Then, loosen the cable tension bolt and adjust the barrel adjuster until the chain shifts smoothly to the lowest gear. Next, shift the bike to the lowest gear and adjust the barrel adjuster until the chain shifts smoothly to the highest gear. Finally, tighten the cable tension bolt. Test your gears to ensure they are shifting smoothly.