Kane had 20 points with six rebounds and Niang added 19 points and eight boards for the Cyclones (21-5, 9-5 Big 12), who posted a third straight win.
Melvin Ejim scored 14 points.
Kyan Anderson scored 18 for the Horned Frogs (9-17, 0-14), who dropped a 14th straight conference game.
Karviar Shepherd totaled 14 points and 15 rebounds.
Swim Week Miami Beach 2014 [PHOTOS]