Not intended for tricks or jumping. • 3-Piece, Tubular Heat-Treated Chromoly Cranks. FORK Big Reaper 26", Hi-Tensile Steel. • Sealed Bearing Front and Rear Hubs. FRONT HUB Sealed Bearings, Forged Alloy Shell, Drilled for 36 Spokes, 3/8" Chromoly Axle.