Install the full 50mm shim by sliding it into the lower tube below the upper bushing

ME05's that are already running IGUS bushings

DaBomb have made a tough chain guide that stays out of the way and does the job

Precision bearings

Fox Shox Rear Shock Mounting Reducer Kit - Alloy - 6mm x 45.7mm - 1.799 Inch PDP|PLP|Brake Rotor Type Install the full 50mm shimFox 5 piece reducer kit. This polymer reducer kit replaces the old DU bushing and aluminium reducers for less friction and longer life. Features: This design can reduce friction up to 50% over the older designs. O rings keep the elements out. The is a huge improvement over previous designs and will prolong the life. Tool free! New bushing installs by hand. Please note: Your frame's manual will tell you exactly which size you need. Some frames use