How To Adjust Mountain Bike Derailleur

By syd patricio july 7 2010.

How to adjust mountain bike derailleur. The l limit screw prevents the guide pulley from shifting any further past the lowest gear and into the wheel spokes. Low gear limit stop. In this video we ll show you how to properly set. You ll need to loosen the cable bolt which attaches your derailleur to the bike frame tighten the derailleur cable then tighten the cable bolt again to make sure the cable is tight.

Thankfully adjusting a rear derailleur on a bike is a solution that is fairly simple and possible for most if not all home mechanics. Because some technical elements required to set it up appropriately otherwise it bothers while riding. This can be a bit tricky since tightening the clamp s bolt will set both height and angle at the same time. With the bike held off the ground and the chain now on the largest cog at the back test the front derailleur by moving the chain between the smallest and next chainring using the gear lever.

The majority of rear shifting problems can be solved with basic adjustments to the limit screws and index setting of the rear derailleur system. Shift your bike into a low gear so the chain s on the middle cog at the back and the smallest chain ring at the front. The first step is to adjust the derailleur s height and angle using the positioning clamp that attaches the derailleur to your bike s frame. But anyone can do it following some little steps.

The highest gear smallest sprocket on the rear derailleur is actually the point of lowest cable tension meaning the derailleur is doing the least work and is thus easiest to adjust. While pedaling the bike locate the cable leading to your rear derailleur and pull on it gently. Now re adjust the cable tension until the derailleur shifts smoothly down to the next gear. How to fix the shifting on your bike.

Also you don t need to be a pro rider for any reason. Adjusting the derailleur on a mountain bike is one of the most common issues most of the bike rider face. The majority of front shifting problems can be solved with basic adjustments to the limit screws and index setting of the front derailleur system.