This is the 2-Speed 29 T Gear for the TRA Jato.
Aluminum construction, gunmetal in color
YOU WILL RECEIVE:
29 Tooth Aluminum spur.
Installing on clutch assembly
height: 1/2" (12mm) diameter: 1-1/4" (30mm)
Hard Anodizing or Hardcoat is an electrochemically produced grey layer of hard aluminum oxide on the surface of aluminum components.