Sealants

$ 2-3

Low price

Can cause balance problems If improperiy installed. Tire/Tube cannot be reused. Adds wheel weight and rolling resistance. Not 100% effective.

Heavy-Duty Tubes

$ 8-10

Low price. Easy Installation

Adds wheel weight, rolling resistance. Not lation. 100% effective from punctures. Tubes will lose air by deterioraon and valve stem problems.

Tire Liners Aka Tube Protectors

$10-12

Low cost,easy installation. Protects against punctures from throns, broken glass, small nails. Allows use of tire with small cuts. Can be re-used.

Adds a small amount of weight. Not too effective against large nails, blow-outs, etc. Does not protect from tube deterioration or valve stem problems.

Semi-Pneumatic or Foam Tubes.

$25-35

Since there is no air to lose, they can never go flat. Tires can be used until tread wears through. Tubes are re-usable.

The rubber hose-type inner tubes are heavy and add a lot of rolling resistance. The lightweight plastic and foam versions solve some of the weight problem, but have a tendency to "flatten-out" under heavy loads, and have very little rebound. Both types are expensive, and difficult to Install.

Solid Plastic Tires

$ 25-35

Since there Is no air to lose, they can never go

Ride Is very hard and Installation Is difficult. Hard plastic surface tends to slip In wet weather. There Is a potential for "roll-off" when cornering at high speeds, and product Is expensive.