Easton EC90 SL Disc Rear Road Wheel - Clincher Disc brakes are the future of road cycling. They’re proven in mountain and cyclocross, and with the new EC90 SL Disc wheels combined to the latest brake systems, there are no longer any compromises associated with going disc 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 durability and impressive aerodynamics. From the spring classics to rough and tumble cyclocross racing, you’d be hard pressed to find a condition where the EC90 SL Disc was out of its element The EC90 SL is available in tubular or certified Road Tubeless™ carbon clincher. EC90 SL wheels are entirely built by hand from start to finish and acoustically tuned. These wheels combine top-end materials, a methodical build and the proven M1 hubset. Best of all, these wheels are Future Proof in that they can convert to 15×100 (front hub) and 12×135 & 12×142 (rear hub); parts sold separately Features: Braking Surface: DiscFinish: Matte Carbon, water transfer decalsWeight: 800gType: Carbon Tubeless ClincherRim material: EC90 CarbonRim depth: 38mmInternal rim width: 19mmExternal rim width: 28mmSpokes: Sapim Straight-pull/Double ButtedRear Spoke Pattern: 20/2XNipple type: Easton UST alloyRear hub type: Easton M1/Six-bolt disc/10×135Buy Easton Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.