The shimano xtr m9020 trail 650b 275 15mm tubeless compatible front wheel is designed to meet the pro criteria this race wheel is lightweight strong and durable thanks to a tubeless compatible carbon laminate 279mm rim making it a perfect choice for all mountain use the rim is built onto 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 it also o