Manitou revox proa valve kit compatible with the manitou rear shocks used for connecting a shock pump to adjust the air in the shock useful if the shock air valve is in a hard to reach area close to tubes and linkages etc features weight 450g without spring damping shim back adjustments preload rebound ls compression hs compression no tools volume air valve type straight long damper shaft material 14mm aluminium damper shaft finish hard anodize damper body colour black hard anod