Velocity Cliffhanger Rim - 700, Disc, Black, 36HShort and stout sidewalls guard against pinch flats and denting from impacts: a pothole or a rocky descent. A generous 25mm internal rim width allows more tire contact with the road which supports you and your gear more safely and comfortably than conventional narrow rims. Tubeless ready with the use of Velotape Product Specifics Brake Compatibility: Disc Only Rim Width (Internal): 25 Brake Track: Non Machined Manufacturer Spec ERD (mm): 597 Valve: