2.50/2.75-10 Dirt Bike Replacement Inner Tubes: Fits most 49/50/70 cc motorbikes with 10” tires that are between 2.5'' to 2.75'' wide, like Honda Crf50 /Xr50, Razor MX650 / MX500 (Back Tire), Suzuki DRZ70 / JR50, Yamaha PW50, Motovox MVX70 – guaranteed to fit! ADDS COMFORT TO YOUR RIDE: With thick butyl rubber that absorbs shocks, you won’t feel the bumps and hollows because your bike will glide along, protecting you from the force. Now that’s comfortable. SAFETY FIRST IS OUR MOTTO: We designed this inner tube to be explosion proof. When and if punctured, it immediately creates an airtight seal to prevent damage, destruction and injury to the rider. Safe in any season or weather condition. NO TOOL INSTALLATION: In less than 5 minutes, you’ll be back on the trail or track! Replace the inner tube quick – so simple, easy and fast! MADE HEAVY DUTY FROM QUALITY MATERIALS: It’s our job to make dependable and durable inner tubes and we do it right! Count on AR-PRO!