I have a old quickie 2 for outside stuff and I also use it at the gym it feels more stable then my Ti-Lite for gym use. I prefer my Ti-Lite for shopping or things where im wheeling a lot so to me weight does matter. A persons weight and what type of shape you are in makes a huge difference in any chair. I use air less tires because I hate flats and there is no maintenance with them and I know there might be a fraction more weight but a lot less trouble.