Vintage Suntour Automatic Transmission System Crank Set Browning Patent BEAST

  

Vintage Suntour Automatic Transmission System Crank Set Browning Patent BEAST. A Suntour Automatic Transmission System Crank, also known as BEAST or Browning Electronic Automatic Shifting Transmission. Crank and articulating 1/4 Chainring set appear to function fine.

Tapers and threads are good. Anodizing on the arms shows some deterioration which is normal with these. Does not include the other pieces in the.