Warp 9 Talaria Sting Rear Suspension Riser LinkageCheck Bike Fitment Below This is A must do if you are running 16 19in or 18 21in wheel sizes. It raises the rear end of the bike to compensate for a smaller rear tire, fixing your geometry angle. there are 2 different sizes 0" rise, the same as Oem 0. 75" Rise, for if you have different size front and rear tires. 16 19 or 18 21 Fits Talaria Sting MX3 and MX4 R Forged 7075T6 aluminum This link brings your steering geometry back to stock head angles