Came across this on a search.
Many bits interchangeable.
Link to xmoto seat below, which will fit on the challenge. I think it is the same as the low seat which was an option when new.
https://rover.ebay.com/rover/0/0/0?mpre=https://www.ebay.co.uk/ulk/itm/192569354850
Loads of other bits available by the looks of things, incl. a rather pricey engine.
Many bits interchangeable.
Link to xmoto seat below, which will fit on the challenge. I think it is the same as the low seat which was an option when new.
https://rover.ebay.com/rover/0/0/0?mpre=https://www.ebay.co.uk/ulk/itm/192569354850
Loads of other bits available by the looks of things, incl. a rather pricey engine.