29" Rear Mountain Bike Wheel. This is a great replacement wheel for anyone needing a Shimano Microspline hub. WTB TCS system rim tubeless ready and they hold up great.Item Specifications-Wheel Size:29"-Rim Material:Alloy-Spoke Count:32 Hole-Spoke Type:DT Swiss 14G Black Stainless Spokes Spokes-Axle Size/Type:12mm Thru Axle-Axle Spacing:142mm-Valve Type:Presta Valve-Cassette Body Type:Shimano MicroSpline-Inner Rim Width:30mm-Brake Type:Centerlock Disc-Tubeless Compatible:Yes