20” 406 ACME Hookless Tubeless Carbon Race Rim 28MM (W) x 20MM (H) Full Toray T700 Carbon Fiber Composite Material Checkerboard 12k carbon finish 36H, 4D 260 g + – 10 Grams Weight Limit of 220 U.S. Pounds ERD 390 MAX 95 Tire PSI RACE ONLY