Customer will receive what's showing from the picture only, no hardware included

  • Spec: Sprocket Hole Distance -- 48mm (3 bolts hold to rear hub) , 29T
  •            420 Chain
  •            Sprocket diameter -- 122mm
  •            Sprocket bolt diameter -- 8.8mm
  •            Sprocket Internal Diameter -- 30mm
  •            Sprocket Thickness -- 6mm