Zasław Water series boat trailers belong to a modern line of vehicles produced from the best components available in the Polish market. Products from this category are marked with, among others: adjustable stem with belt winch by KNOTT, optimum adjustment of centre of gravity thanks to possibility of moving axle and wide angle of side roll inclination. The trailers are additionally fitted with 12V electrical wiring, supporting wheel with a clamp (optionally) and waterproof axle by KNOTT, which guarantees long-term and corrosion-free usage. Frame of the trailers are treated against visual effect of surface ageing, “ecological passivation” has been used. Water 450 model allows transportation of boat with maximum length up to 5m and it is equipped with two double side rolls.