Blunt SS Rim For tubeless setup Velocity recommends their 24mm Velotape (RS1006). I-beam bead hook maximizes internal width for optimum tire performance. Advanced spoke bed design allows for super high tension wheels, while keeping overall rim weight low. Precision diameter and bead seat design. Item Specifications: Brake Compatibility: Disc Only, Rim Width (Internal): 26.6, Brake Track: None, Manufacturer Spec ERD (mm): 558, Valve: Presta, Color: Black, Weight: 395, Wheel Size: 27.5", Defined Color: Black, ISO Diameter: 584 / 650b / 27.5", Hub Drilling: 28, Rim Material: Alloy, Tire Type: Tubeless Ready, Tire Type: Clincher, Rim Center Offset (mm): 0,