VCYCLE Nopea 700C Road Bike Carbon Wheelset Clincher Front 60mm Rear 88mm Shimano or Sram 8/9/10/11 Speed Vcycle basalt braking surface has the advantage of high temperature resistance for it can reduce the carbon road bike wheels probability of burning side.It also has good braking power,improving the braking effect. Novatec road hub which is made in Taiwan is durable,light and it can use 3-5 years under normal usage. 23mm is suitable for elementary training and competition. It makes our wheelset has lighter weight, better stability and road sense.Also,it improves aerodynamics by creating a more uniform airflow over the wheel. Skewers is lighter than steel skewers and it has high intensity, long service life.Brake pads are custom-made according to the carbon road bike rim and protect the brake side at the greatest extent. Four complimentary aero bladed spokes and nipples can replace the damaged spokes and nipples. 24 months warranty for manufacturer defects Front weight :770+/-15g Rear weight :1050+/-15g Material: Toray T700 Carbon Rim Type: Clincher Rim Width: 23mm Rim Depth: Front 60mm rear 88mm Rim Hole: Front 20 rear 24 holes Appearance: UD matte finish, basalt braking surface Maximum spoke tension: 130kgf Maximum rider weight: 120kg Model: Novatec road hub Front 2 sealed bearings, O.L.D:100mm Rear 4 sealed bearings, O.L.D: 130mm Cassette Body: Shimano or Sram 8/9/10/11 speed Color: black Pillar patented cold forge technology,up to 20% more strength perfect aero shape,high elasticity and low drag coefficient. Color  black Sapim nipples are designed to attain maximum grip without the use of adhesives. The nipple will lock itself to the spoke. Threads as the tension is increased and due to its unique,will not come loose during its use.