Easton EC90 SL Front Wheels. These are the medium-depth aerodynamic road wheels that you've been waiting for. The EC90 SL takes the proven Fantom rim shape and scales it down to a shallower 38-millimeter depth. These wheels offer fierce acceleration, smooth, dependable braking and impressive aerodynamics. From the spring classics to rough and tumble cyclocross racing, you'll be hard pressed to find a condition where the EC90 SL is out of its element. EC90 SL wheels are entirely built by hand from start to finish and acoustically tuned. These wheels combine top-end materials and a methodical build.Front Hub Bearings: Two 71801 Angular ContactWheelset weight = 1570g