1.Track Bike Wheelset 2.ISO 9001,14001 3.High Quality 4.Comfortable after sale service 5.Durable Name: MAVIC Track Bike Wheelset 319 Specification: BrandMAVICModel319Rim26"*1.75"-2.125 ,AL6061HubSHIMANO 2/4 BearingWeightFront(950g), Rear(1092g)ColorAnodized BlackHole32HWebsite: http://www.bicycleparts.com.cnPhotos:1.2.3.4. MAVIC Track Bike Wheelset 319