Mavic ksyrium disc road rear wheelwe developed the ksyrium disc to meet the unique demands of putting disc brakes on a road bike as with all ksyrium wheels it can handle long hard miles like no other with the versatility to take anything you can throw at it featuressize 700c material s6000 aluminium hole count 24 axle qr bearings adjustable sealed cartridge bearings weight without tyre 1020gmax weight supported including bike 120kg key technologies fts l force transfer system l