Diamondback Lumis 3.0 carbon hardtail MTB frame – premium lightweight build base. Frame material: Carbon. Wheel size: 27.5 (650B). Frame size: 19. Rear axle: 142 x 12mm thru axle. Head tube: Tapered 1 1/8″ – 1 1/2″. Fork compatibility: up to 130mm travel. Brake type: Disc. Bottom bracket: Press Fit. Rear thru axle. Used frame in good working condition. Cosmetic marks from normal use – see photos. No cracks or structural damage. All mounting points and threads are intact. Frame is straight and ready to build. Perfect base for a lightweight XC / trail carbon build. Please study all photos carefully.