By replacing your stock shock linkage with a DeVol Transformer Pull-Rod, you have the option of adjusting up to 5 settings for adaption to various terrain and to attain the feel YOU want! All DeVol Transformer Pull- Rods stiffen the initial rising rate of a shock and lowers the rear end gradually with each longer setting. Not only are there multiple settings in the Transformer Pull-Rod alone, but it opens up opportunity for endless customized suspension setup options to give you a serious edge on the competition.Features: Performance enhancement linkage Best for MX & Offroad Up to 5 adjustment settings May lower rear end up to 1/4* -1/2* on various models Lightweight Stronger than stock Stiffens initial rising rate resulting in slightly softer rear suspension Allows rear-end to track straighter Improves front end stability Anodized factory look All models include bearings/seals Available for most models Made from aerospace grade billet aluminum 100% Made in the U.S.A.