Easton EC90 Aero Rear Wheel - 700 12 x 142mm Center-Lock HG 11 Black. These wheels have everything anyone could ever ask for: aerodynamics certified Road Tubeless compatibility without rim strips braking performance durability and competitive weight. These aren’t simply race-day only wheels they’re built strong. Easton’s carbon lay-up process provides smooth consistent braking. Like every high-end wheel in the Easton line EC90 Aero 55 wheels are entirely built by hand from start to finish and acoustically tuned. These wheels combine top-end materials a methodical build and an advanced rim design. They are extraordinarily fast wheels that will roll true for years to come.
32 seconds faster in a 40km Time trial compared to the 2012 Easton EC90
Rear Hub Bearings:  One 6901 (non-drive side) One 71801 Angular Contact (drive side)
Freehub Bearings:  One 3645 Angular Contact (inner)  One 6901 (outer)
| Cassette Body Type | Shimano/SRAM 11 Speed Road | 
| Color | Black | 
| Defined Color | Black | 
| Hub/Brake Compatibility | Center-Lock Disc | 
| ISO Diameter | 622 / road / 29" | 
| Rear Axle | 12mm Thru x 142mm | 
| Rim Width (Internal) | 19 | 
| Tire Type | Tubeless Ready Clincher | 
| Wheel Size | 700c |