The patented RWS wheel mounting system from DT Swiss is stiff, safe and user friendly The Plug In version of DT`s RWS system offers all advantages of a tool-free thru axle mounting Skewers with lever included have the option of removing it entirely for a clean look Axles can be adjusted with any 5mm hex wrench Thru Bolt Rear Road 12TA 142mm Alloy Blk 13mm 12x1.5 Flat 163mm 67gUPC/EAN/GTIN: 7630033890991