The shimano xtr m9000 xc 650b 275 15mm tubeless compatible front wheel is designed to meet pro criteria this race wheel is lightweight strong and durable with a tubeless compatible carbon laminate 239mm rim the rim is laced to a forged then anodized alloy hub shell for maximum strength and long lasting good looks the hub uses angular contact bearings designed to cradle the balls giving both radial and lateral support they also offer precision bearing adjustment and easy maintenance doub