Those cheap gas shocks don't hold up in the winter, they blow their seals. When I had my tilt bed trailer, I installed a dual spring set up for the tilt function. It would hold the deck tilted so you can drive on safely and not worry about it falling back down. It also held the weight of the sleds/ATVs keeping the deck from slamming down, sometimes it took extra help to get it to lay back down if you didn't drive on far enough. Your trailer tongue will thank you for no more slamming, especially if its aluminum.