09 Thunder Mountain Keystone Chopper Motorcycle Facebook0Tweet0Pin0 Russ shared his 09 Thunder Mountain Keystone Chopper Motorcycle with us. Submitted by: Russ Hemmert Facebook0Tweet0Pin0 Related Posts On The Road Martin Brothers Custom Chopper | Riding Motorcycles Chopper Meetup 100% Awesome Chopper Jazz Bike Big Bear Ride Chopper