Trail Tire Insert, Mixed 27.5"/29", Set with Valves

- Third party testing has revealed that, compared to a standard tubeless setup, CushCore provides a 12% smoother ride, 35% more sidewall stability, 16% less suspension travel consumption, 3% less rolling resistance, and 50% less impact force transferred to the rim\n- This system is designed to be used with tubeless ready or tubeless converted mountain bike rims and tires, as well as standard tubeless sealant\n- Doesn't absorb sealant\n- Includes special tubeless air valves that allow air to move through the valve without becoming obstructed by the insert\n- Amazon.com sales are strictly prohibited by the Manufacturer