Joint Type: Welded Spoke Holes: Eyeleted Design: Double Wall Durability: Heavy Duty Extrusion Brake Surface: None Color: Black Hub Drilling: 36 Holes Diameter: 559 / 26" MTN ERD: 535 mm (Manufacturer Spec) Offset: 0 mm Material: Alloy Internal Width: 26 mm Tire Type: Clincher Valve Type: Standard Schrader Weight: 660 g The Sun MTX series boasts an ultra-durable design, ideal for downhill and freeride use, or for those who frequently damage wheels.