Easton ec90 sl rear road wheel tubular these are the medium depth aerodynamic road wheels that youve 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 youll be hard pressed to find a condition where the ec90 sl is out of its element the ec90 sl is available in tubula