Light enough to take XC racing but was born from research and testing on the Enduro World Series circuit, making it a great rim for anyone looking to improve both descending and climbing Asymmetric rim design allows for a stronger wheel while offering the easy inflation and Stan’s trademark unmatched airtight seal. 28mm internal width ideal for 2.2-2.5'' tires Light and durable 6069 aluminum with welded joint and reinforced spoke bed Attributes Brake Type Disc Depth 18.9mm ERD 600 Primary Color Black Rim Center Offset 2.5mm Rim Construction Double wall Rim Drilling F: 21, R: 24 Rim Eyelets No Rim Internal Width 28mm Rim Material Aluminum Rim Weight 481g Tire Type Tubeless Ready Valve Presta Wheel Diameter 29'' Wheel Diameter/ISO 29'' / 622