Low drag thanks to progressive aerodynamic features with a 30 mm deep rim profile ultra bladed spokes with a low spoke count 20 these affordable wheels from mavic are full of technology and thought pure power transfer front and rear dishes optimized to offer incredible stiffness light 30mm deep welded rim gives unbeatable aerodynamics qrm cartridge bearings ensure maximum rolling efficiency light and convenient weighs under 1900g wheelset for instant acceleration rear flip flop hub le