Queen Bike 700c Disc Brake Wheelset Tubular with Disc Brake Hub Disc Braking Wheelset Carbon Disc Wheel Material: Toray T700c Full Carbon Fiber Test:Pass EN quality standard test Weight:1580g30g/pair excluding skewers Warranty:1years under normal usage Customized: the wheels could be customized according to your need. If you wanna make any other changes, please feel free to contact us.