How to Adjust the Shifter on a Mountain Bike: A Comprehensive Guide for Cyclists
To adjust the shifter on a mountain bike, start by shifting the bike into the highest gear. Then, locate the barrel adjuster on the shifter and turn it clockwise or counterclockwise until the chain is smoothly shifting up and down through all gears. If the chain is jumping gears or making noise, adjust the cable tension by turning the barrel adjuster. Finally, double-check that the limit screws on the derailleur are properly adjusted to prevent the chain from going off the cassette or onto the wheel.