The forks are for a 29 inch bike, they have a Tapered steerer which 175 mm in length, and is standard QR wheel fit. They have a post Disc mount. A great set of forks, that are the best you can get and the best you will find used, so grab a bargain. The item "Rock Shox SID World Cup XX Carbon Remote 29er MTB Mountain Bike Forks Tapered SL" is in sale since Monday, May 14, 2018. This item is in the category "Sporting Goods\Cycling\Bike Components & Parts\Forks".The seller is "bat--man" and is located in Ashford. This item can be shipped worldwide.