+17mm increase

If you like hitting the gnarly stuff then it is worth investing in a bash ring

The Extra Chunky is the thickest grip in ESI's line up with an installed diameter of 34mm

and 11-speed chains

Fox Shox Rear Shock Mounting Reducer Kit - Alloy - 8mm x 34.0mm - 1.339 Inch PDP|Colour +17mm increaseFox 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