Mavic ksyrium road rear wheelendurance riders love the ride quality of our ksyrium wheels because theyre completely at ease climbing or on the flat and ready for any kind of adventure on the bike its hardly surprising that weve designed them to do exactly that featuressize 700c material s6000 aluminium hole count 20 axle qr bearings sealed cartridge bearings weight without tyre 920gmax weight supported including bike 120kg key technologies fts l force transfer system light re