Enter the Cross Country world with the X 1900 SPLINE. The 25 mm wide aluminum rim offers modern tires the support needed to ride low air pressure in order to minimize rolling resistance. The new Ratchet LN freehub system and meticulous wheel building by hand ensure the highest reliability. This allows riders to just focus on the moment - whether it is beating the sweat out of their opponents or beating their own KOM or QOM.RIMS: - Tubeless-capable, sleeved aluminum rims, featuring a specific 25 mm internal width for dynamic accelerations.Specifications:- Inner width: 25 mm- axle system: 12 mm thru axlebuilt-in dimension: - 142 mm- 148 mm boost