As light as a climbing wheel. Faster than a TT wheel. Stronger than a training wheel. The all-new EC90 Aero 55 absolutely blows the doors off of every race wheelset on the market. We've combined the most aerodynamic road rim ever made to our durable new Echo hub; the result delivers the best attributes of any wheelset with zero compromise. Whether you're an Ironman triathlete, a stage racer, a hill climber or a sprinter, this wheel is as good as it gets. The idea of needing an of wheels to suit different conditions is now obsolete. This is the one wheelset that does it all. And does it extraordinarily well. Don't take our word for it check out the results from our exhaustive wind tunnel testing. Riding these wheels in a 40-kilometer time trial saves a whopping 14 seconds over the next fastest wheel, Enve's 6.7 tubular. Riders concerned with finishing times and power output can't afford not to buy these groundbreaking new wheels. These aren't simply race-day only wheels, they're built strong. Easton's industry-leading carbon lay-up process provides smooth, consistent braking. Like every wheel in the Easton line, EC90 Aero 55 tubulars 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. As light as a climbing wheel. Faster than a TT wheel. Stronger than a training wheel The all-new EC90 Aero 55 absolutely blows the doors off of every race wheelset on the market Whether you're an Ironman triathlete, a stage racer, a hill climber or a sprinter SHIMANO 11 / SRAM 11