How to Adjust Gear Selector on Your Mountain Bike: A Beginner’s Guide
To adjust the gear selector on a mountain bike, first shift the bike to the smallest chainring and rear cog. Next, loosen the cable anchor bolt and turn the barrel adjuster on the shifter until the chain is aligned with the middle chainring. Check the shifting by switching through the gears and making any necessary adjustments by repeating the previous steps. Finally, tighten the cable anchor bolt and test the shifting again.