How to Adjust Front Gears on a Mountain Bike: A Step-by-Step Guide
To adjust the front gears on a mountain bike, start by shifting the chain onto the smallest chainring and the largest rear cog. Next, use the front gear shifter to shift onto the largest chainring. If the chain doesn’t shift smoothly, adjust the barrel adjuster located near the front derailleur until it does. Then, shift back down to the smallest chainring and adjust the limit screws on the front derailleur to ensure the chain doesn’t fall off the inside or outside of the chainring. Finally, double-check your adjustments by shifting up and down through the front gears while riding.