dos qd

I purchased two of these but am only using one. This is new in box and unused. $285 shipped

So I bought a new Dos QD. First off I'm impressed with the improved quality. I will say the one got had an issue though. The left side orange wheel kept falling off. I sent it in and they replaced it in like 2 days. It was super quick. The new one works great a d it truly is quiet. Now my...