The mavic cosmic pro carbon sl c disc 700c wheel a superlight and super strong carbon clincher aero wheel to be used with disc brakes mavic cosmic pro carbon sl c disc 700c wheel features rim type clincher rim width 25mm outer material 3k full carbon fibre brake surface carbon hubs aluminium front axle compatibility qr rear axle compatibility qr spokes steel straight pull bladed freehub instant drive 360 shimanosram 11 speed ready with spacers fo