Easton EA70 XCT MTB 29er Aluminum Wheelset (15x100) Front, (10/11spd 10x135/12x142) Rear The new EA70 XCT wheelset is lighter than that of the EA70 XC wheel. It includes some of the best features of the more expensive Easton MTB Wheels such as welded Easton aluminum rims, butted spokes and a generous internal rim width of 19 mm, at a remarkable price. Durable, lightweight, UST compatible.