I love this cart, but I had the same problems with it that one of the other posters had. I noticed on a recent trip that two of the five bolts that hold the plastic bearings in the wheel had come loose. I called my ACK dealer but they aren't very familiar with this cart as they don't sell it in store. They asked me to take pictures and email them. They sent this off to Hobie and had me a new wheel sent under warranty. In the meantime I tightened up the five bolt/nut assemblies on the other wheel. When the new wheel came it it snapped onto the spring-loaded wheel retaining mechanism on the axle as it is supposed to, but the old wheel didn't snap on. I called Hobie and found out that the early versions of this cart came with bolts that were possibly just slightly too short and nylock nuts that have a tendency to work loose. My tightening of the bolt/nut assemblies pulled the plastic "hubcap" of the wheel in too far and wouldn't let the retaining mechanism snap in. Hobie said they made a design change to convert the nylock nuts to acorn nuts (to prevent over-tightening which results in the wheel not snapping securely in place on the axle) and slightly lengthening the bolts. They also install blue Loctite on the nuts now. Also, they offer for $5/wheel a complete parts kits of the plastic "hubcap" and five of each of the plastic wheel bearings and stainless bolt/acorn nut assemblies. The part # for that Fold and Stow Cart repair kit is 80047014, and it looks like it has to come direct from Hobie as Google didn't turn up any matches. If you have one of the old original Fold and Stow Carts without the acorn nuts, you're eventually either going to need to: 1) install blue Loctite on all the original nylock nuts, or 2) purchase this kit. After using the Loctite, be sure to confirm that the wheel will snap onto the axle before the Loctite dries (about 10 minute set time). The nice thing about the kit is the acorn nuts and slightly longer bolts should make over-tightening impossible.
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