alot of the main players in the trials world are looking for new markets / scorpa make the T-RIDE 4T this has a removable seat ? making trail to trials bike but there newish and sim are expensive ,you could do your own ? poss with a little help ? second hand trials bikes are resonably priced gas gas/ yamaha scorpa T2 sherco montesa all could be converted warning trials peep dont look after there stuff to well so look for a good one i would recomend montesa [honda] or scorpa [yamaha ] engines ? lost