Adjust a Mountain Bike Rear Derailleur

Video Transcript

"This is called a p-tension adjust here on this Schram derailleur. By turning this screw in it determines the rotation of the derailleur. As you move it in it moves the derailleur, the top jockey a little farther away from the cassette. If you have a bigger cassette you need to run more of this p-tension, but that's the only time you mess with that. It's the same thing with the Shimano one. It's right here. Because of the difference of the function of these derailleur?s they call it a different thing. The Shimano derailleur moves outward and upward at the same time as well as down like that. It has more degrees of freedom. The Schram derailleur stays static there. It doesn't rotate around this direction and only moves like that. It is also a more stable set-up. If I had this derailleur on here it could rock up and hit the chain stay. It's a little bit, little bit smoother. Now were going to talk about adjusting the low and high limits. The low limit, although this is the lowest position, were talking about our easiest gear. Our high limits were talking about highest or hardest gear. You could almost think H is for hard. On a Schram derailleur L is on the top low is on the top, and high is on the bottom. On a Schram mono-derailleur high is on the top and low is on the bottom. It's different. Luckily everything is etched onto the derailleur. You can see the little H and the little L on there that let's you know what you are doing."