There are 2 different hubs, small and large. The small hub is found on the 916/748/848, Monster S2/4/4R, Monster 796/1100/1100s, HM796/1100, and MTS1000/1100. These wheels are all compatible with each other and interchangeable. The large hub is found on the 1098/1198, Panigale (all SSA), Monster 1200/s/r, and MTS 1200/1260. The small hubs use a 5 bolt carrier on the left and the large hubs use a 6 bolt carrier on the left.