Stans-No Tubes Freeride Tubesless System Please visit www.notubes.com for current compatibility list Will fit DT rims including but not limited to: 6.1, F630, FR600 Will fit Sun rims including but not limited to: EQ 27, EQ29, EQ31, MTX 29, MTX31, MTX33, Rhyno Lite XL, Single Track, Singlewide Will fit Syncros rims including but not limited to: DS28 Will fit Velocity rims including but not limited to: Blunt Consist of Schrader valves