Velocity Blunt SS 27.5 inch 36H Black Bicycle Rim - 5100-58436 Designed To Be Best-In-Class For Cross Country Use. Light Enough To Win Tough Enough To Last. Shorter And Thicker Sidewalls For Incredible Durability Even When Paired With Low Pressure Tubeless Tires I-Beam Bead Hook Maximizes Internal Width For Optimum Tire Performance