New lightened version of the Ksyrium SL in all black finish.
Front wheel with 18 bladed Zicral spokes and 22mm depth rim
Rear wheel with 20 bladed Zicral alloy spokes and 25mm depth rim
Front hub with lightweight carbon shell and alloy axle
Rear hub with alloy shell and alloy/ titanium axle
Weight - 635g fornt, 835g rear