Mark’s 71 Triumph Bonneville | Motorbike FacebookTweetPin Mark’s 71 Triumph Bonneville 650 Custom Chopper Motorbike. Best Motorcycles. Submitted by: Mark Wentzel-Stewart FacebookTweetPin Related Posts One for my friend Vintage 1948 Harley-Davidson Panhead Three Wheel Madness Pretty Rad Chopper Nice Moto | Custom Built Chopper Motorcycles Derek’s Night Glow Chopper