Shimano Doere XT M755 Hubs Laced to Fat Big Mammoth Sun Rims, heavy duty downhill or enduro wheelset. Come with Deore XT quick release skewers, Avid 160mm brake rotors and a Shimano CS HG70 9 speed cassette. Wheels are true and perfect for your next retro mountain bike build. 100mm front, 135mm rear. See pictures for details.