F wheel has 50 miles, R wheel has 100 miles, Rim Width [internal] 21mm, [external] 28mm Brake Compatibility Centerlock disc Hubs Dura-Ace Front Axle 12 x 100mm Rear Axle 12 x 142mm Spokes straight pull Spoke Count 24 / 24 Claimed Weight [set] 1461g Manufacturer Warranty 3 years Activity road cycling