Genuine DT Swiss RWS Skewer and parts The RWS builds clamping force by tightening a bolted connection with an aluminum handle/lever 7075 Aluminium Thru Axle 173.7mm Rear MTB 12TA 148mm Aluminum Blk 15mm 12x1 Flat 173.7mm 66gUPC/EAN/GTIN: 7613052055046