This is a used Syncros DT Swiss RWS style rear quick release skewer. It fits 135mm OLD mountain bike hubs.
DT Swiss RWS Skewer Set - 100mm / 135mm - Black With Syncros Logo
DT Swiss RWS 135mm Rear Wheel Quick Release Lever - Black - Syncros Logo
Trek Road Bike Disc Brake Thru Axle, DT Swiss RWS, Front/Rear, Domane, Madone, E
DT Swiss RWS Bike/Cycle/Cycling Wheel Thru Axle - Aluminium - 142 x 12mm
DT Swiss RWS Thru-Axle Front 9 x 100 mm Aluminium
DT Swiss RWS Bicycle Quick Release Skewer Set Black Road Bike
