How to Adjust Shifters on Your Mountain Bike: A Step-by-Step Guide
To adjust the shifters on a mountain bike, begin by shifting to the smallest chainring and the largest cog on the cassette. Then, loosen the cable anchor bolt and adjust the barrel adjuster until the chain smoothly moves up and down the cassette. Tighten the cable anchor bolt, shift through the gears and fine-tune the shifting using the barrel adjuster until the shifting is smooth and accurate.