I can answer this for you: no. Once you learned tailwhips and get them down it’s pretty easy to take them to even an MTB bike or Dirt jumper, 1 inch frame isn’t gonna make too much of a difference. The only thing I found that really affects tailwhips is handlebar height, if you have low handlebars you’ll clip your knees tryna spread your legs and pinch, I’ve landed tailwhips in a candybar because of this.

His coaching few clients at Oasis action sports . Including myself. But he might be back next year 🙌🏼