How to Tighten the Crank on Your Mountain Bike: A Step-by-Step Guide
To tighten the crank on a mountain bike, first, remove the plastic cap on the non-drive side of the crankset with a flathead screwdriver. Then, insert a 14mm socket wrench and loosen the fixing bolt. Use a torque wrench to tighten the bolt to the manufacturer’s recommended specifications. Finally, replace the plastic cap and check the crankset for any looseness or play.