The Toro 107-2491 Lawn Mower Tire Tube helps maintain proper air pressure inside compatible pneumatic mower tires for stable and smooth operation. Installed inside the tire, the tube holds compressed air and supports the tire’s shape while absorbing normal movement across grass and uneven surfaces. A properly inflated tube helps maintain traction, handling, and ride stability during m... https://www.wholetoolbox.com/toro-107-2491-lawn-mower-tire-tube/107-2491.html