Easton Cycling Ea90 Sl Disc Wheel Front Disc Center Lock* 19. 5 millimeter internal tubeless EA90 SL rim, with a 27mm rim depth* Larger bearings on a wider bearing stance and improved seals* Reversed drive ring configuration gives 60 points of engagement at just 6 degrees for instant acceleration* Included in the box are tool free swappable end caps for all major axle standards and 5 extra straight pull Sapim spokes that match the uniform spoke length throught both wheels* 1537 grams