I havnt been a triumph owner long enough to vouch for there durability.I can say I am a bigger guy myself 6ft 250.I sat on a std bonny a time or 2 but have not ridden one as of yet.I have the suspicion that a std bonny is not for you.I would suppose you would have some long legs so the america or speedy would suit you better as would the more relaxed riding position.Just my 2 cents.Check out that bike,but make sure you set on the america/speedy for comparison.Good luck with your choice.