Mavic Aksium Elite 25 Front Wheel Black Isopulse, Optimized bearing placement, Straight pull bladed spokes (stiffer than J-Bent) Light Yksion Comp tyres, Light rim extrusion, FTS-L freewheel system Strong SUP welded rim, smooth braking, Reinforced rim drilling: H2 High quality cartridge bearings: QRM Weight : 770 grams (front wheel)