4 size allows you the have extra cushion on harsh landings and helps reduce pinch flats at the same time

Got bolts that need to be tightened

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These are V2 models which have the following updates from the original design:

Fits true to size

Fox Shox Rear Shock Mounting Reducer Kit - Alloy - 8mm x 56.0mm - 2.205 Inch PLP|Model Year 4 size allows you theFox 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