18.5" size, 2002 model, Hydroformed Aluxx 6061T6 aluminium, single-pivot with sealed cartridge bearings, Giant HV shock is brand new / never used, 600 pound spring with adjustable rebound damping, clearance for 2.6" tires, disc and V-mounts, includes seatpost clamp/QR. Adjustable for 4" or 5" rear travel.