The 11"x4" pneumatic inner tube for C.T.M. Homecare HS-686 mobility scooter is a relatively odd size for an inner tube, and not one that you will find easily in your local big-box retailer. Even in this day of solid flat-free tires, many people still prefer the smoother ride that can only come from rolling along on genuine air-filled pneumatic tires.

Over or under inflating tube will result in poor handling and possible damage to the tire and inner tube. When inflating an inner tube, please use your best judgment.

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