Stans ZTR Iron Cross disc 700c rim, black - 32h The Disc Only Iron Cross Is The Ultimate Cross Rim Designed Specifically And Only For Cyclocross Tubeless Tires And Traditional Cyclocross Clinchers The 20Mm Internal Width And Ultra-Low-Profile Bst Sidewalls Work To Virtually Eliminate Pinch Flats And Dents Even With The Lowest Pressures And Toughest Conditions Fully Tubeless Compatible With 21Mm Yellow Tape And 35Mm Or 44Mm Valves 385G