The Diono Quantum air filled rear tires create a smoother, less bumpy ride on uneven surfaces or rough terrain, from the Green trailheads to city streets. Quick and easy to install, these pneumatic, rubber Wheels are lovingly engineered to give a firmer grip on all surfaces and is perfect for urban adventures with all your family.

• Smooth ride: smoother, less bumpy ride on uneven surfaces or rough terrain
• Firm grip: two pneumatic, rubber tires for a firmer grip on all surfaces
• Click and go: quick and easy installation