For 49mm front forks. By simply installing the Burly rebound spring together with the stock rebound spring; the fork is lowered 2 inch. If you exchange the stock rebound spring for the Burly rebound spring the fork will be 1 inch shortened. This lowering kit also includes progressively wound fork springs which are specifically designed to be used with shorter forks. No permanent modifications required. Note: Will not fit models with upside down forks
