Rock Shox Monarch Plus RC3 216 63 8.5 x 2.5 Stroke. Here is a lightly used Rock Shox Monarch Plus RC3 rear shock, 216x63, 8.5 mount spacing with a 2.5 stroke. Works well and clean condition. _gsrx_vers_1281 GS 8.3.5 (1281). The item "Rock Shox Monarch Plus RC3 216 63 8.5 x 2.5 Stroke" is in sale since Wednesday, April 7, 2021.This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Rear Shocks". The seller is "matt1400g3" and is located in Fort Collins, Colorado. This item can be shipped to United States, all countries in Europe, Japan, Canada, Australia.