Have just stripped down a Sprite Caravan and have a galvanised Knott chassis for sale. Chassis has auto reverse brakes, rating on hitch says 1300kg, wheels have Tyron safety bands fitted and there is also a spare. Existing floor is 3.8m x 2m and the space between the wheels is 1.6m. Chassis has frame all round with another cross beam just behind the axle and 4 good corner steadies.
Advertised on Ebay, item no 251167599282

Linky

eBay link