MODEL: XM119. SIZE: 27.5" / 650B, 584 X 19C. MAVIC XM 119 RIMS. MANUFACTURER: MAVIC. NOTE: STRIPPED THREADS IN CRANKS AND PEDALS ARE DUE TO THOSE COMPONENTS NOT BEING PROPERLY TIGHTENED. STRIPPED THREADS DUE TO IMPROPER ASSEMBLY / MAINTENANCE ARE NOT COVERED BY WARRANTY.