Engineered to lower the rear of your motorcycle an ideal 1" Makes the bike easier to hold up at low speeds or while stopped Lowers the center of gravity, easing handling and improving control Gives the bike a tough, custom stance Un-complicated design makes installation easier Precision machined for an excellent fit All necessary hardware is and easy-to-follow instructions included Caution: Riders must use extreme care when operating a modified motorcycle, particularly while familiarizing oneself with its altered handling characteristics Works with stock air shocks only. Will not work with coil or aftermarket shocks