DT Swiss X 1900 Spline 25 Rear Wheel - 29" 12 x 142mm Center-Lock HG 11 MTN BLKDT Swiss X 1900 Spline 25 Rear Wheel 29" 12 x 142mm Center Lock HG 11 MTN Black. Enter the Cross Country world with the X 1900 Spline wheels. The 25 mm wide aluminum rim offers modern tires the support needed to ride low air pressure in order to minimize rolling resistance. Meticulous wheel building by hand ensures the highest quality and reliability allowing riders to just focus on the moment whether it is beating the sweat out of their opponents or