The Sun Ringle CR-18 is a durable, single eyelet, inexpensive touring rim. Features: Triple-box construction for durability Ample 22.5mm width works well with a variety of tire widths Features "ABT" brushed brake tracks for consistent braking Specifications: Wheel Size: 26" or 700c ISO Diameter (ETRTO): 559 (26"), 622 (700c) Effective Rim Diameter (ERD): 548mm (26"), 612mm (700c) Spoke Count: 32H or 36H Brake Type: Rim Brake Rim Joint: - Rim Dimensions: 18mm (Internal), 23mm (External) Valve: Presta Tire Type: Clincher Material: Aluminum Color: Silver Weight: 547g (26"), 460g (700c)