Rock Shox SID Race Dual Air 26 Black 1 1/8 Threadless V-Brake Disc QR 9MM. Here is a used Rock Shox SID Race Dual Air suspension fork. 1 1/8 threadless non-taper steerer is 212mm long. 80mm travel and 9mm QR dropouts. Fork works smoothly and both air chambers hold pressure correctly.No scratches on gold anodized stanchions. _gsrx_vers_1326 GS 8.4.1 (1326). This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Forks". The seller is "matt1400g3" and is located in this country: US. This item can be shipped to United States, all countries in Europe, Canada, Japan, Australia.