MT500 disc wheel System brings high performance technology to a affordable price pointThe Hub uses angular contact bearings designed to cradle the balls giving both radial and lateral support for superior strength and durability in real world riding conditions. They also offer precision bearing adjustment and easy maintenanceEasy to use Centre-Lock Disc Rotor mount for secure hassle free setup24 round 2.3 mm butted stainless steel spokesContact seals with internal grease sleeve to keep the elements out and the grease in24 mm wide clincher tyre compatible rim for use with 2 - 2.4 inch tyres15 mm thru-axle design with 100 mm O.L.D. (axle not included).