Story of the Triumph Bonneville
? foreground bike is T140V check the youtube footage, think it had a closeup with T150 written They got it wrong because this is a T140 twin cyl. T150 had three cyl.
Stepped seat, it's a T 140 D Bonneville special
This was the ' Bonneville Executive' for all them city businessman ho ho
Foreground is Triumph Trident T150V
UK market 1973 T150V, see pic on this page - http://en.wikipedia.org/wiki/BSA_Rocket_3/Triumph_Trident
Triumph Streamliner 1956
It's record breaker 1955 Triumph Thunderbird Streamliner. Thanks for close track. And probably it's exact motorcycle rebuilt for 1956.