2.5-14 Innertube Inner Tube for 50 cc 70cc 90 cc 110cc 125 cc Dirt Bikes Pit Bike SSR Coolster X-Treme 3.0-12 Inner Tube. Top Quality Guaranteed. 2.5/2.75-14 Front Wheel Tube Commonly used on 50cc-125cc Dirt Bikes Size: 2.5/2.75-14; Please check pictures and specifications for compatibility