PaoWin 2-Pack Butyl Inner Tubes 2.25/2.50-17 for 70/100-17 Tires — TR4 Straight Valve, Heavy-Duty Puncture Resistance

PaoWin 2-pack 2.25/2.50-17 TR4 heavy-duty butyl inner tubes are replacement motorcycle tubes built for off-road use, offering thicker rubber, TR4 straight valve stems, and improved puncture and shock resistance for 70/100-17 tires.

These inner tubes are sold as a set of two and sized for 2.25-17 and 2.50-17 tires, compatible with many pit bikes and dirt motorcycles that use 70/100-17 front or rear tires. Constructed from thickened butyl rubber and fitted with rubber-coated TR4 straight valve stems, they’re designed to resist punctures, pinch flats and to help maintain an airtight seal in dusty or sandy conditions. The heavier construction also improves vibration damping, giving a steadier ride across rough terrain.

How does the thicker butyl rubber improve off-road performance?

The inner tube’s 50% thicker butyl compound increases durability and reduces the chance of punctures from rocks, roots, and debris. The extra material adds resilience at high-impact points and helps the tube maintain shape under load.

• 50% thicker rubber than standard tubes for better puncture resistance
• More stretch and shock absorption for rough trails
• Lower risk of pinch flats during hard landings or impacts

Will these tubes fit my 70/100-17 dirt bike tires?

Yes — the tubes are specifically sized for 2.25-17 and 2.50-17 rims and are commonly paired with 70/100-17 tire sizes on many pit bikes and small dirt motorcycles. Confirm your tire size stamp to ensure compatibility before purchase.

• Sized for 2.25/2.50-17 rims commonly used with 70/100-17 tires
• Suitable for front and rear use when the tire dimensions match
• Sold as a pair so you can replace both tubes at once

What advantages does the TR4 straight valve stem offer?

The TR4 rubber-coated straight valve stem provides a secure seat and protection against dust and sand. Its rubber coating reduces the chance of valve-seat tears and improves airtight sealing compared with uncoated stems.

• Rubber-coated TR4 valve prevents sand and contaminants from entering
• Durable stem seat resists tearing and extends valve life
• Straight valve design works with common pump and compressor fittings

How do these tubes affect ride comfort and maintenance?

The thicker butyl rubber and enhanced shock-absorbing properties smooth out bumps and reduce vibration transmitted through the wheel. Maintenance is straightforward: install like a standard inner tube and check valve seating and air pressure regularly for best results.

• Improved vibration damping for a smoother trail feel
• Routine installation and inflation like standard tubes
• Check pressure and valve seal periodically to avoid slow leaks

Who is this for? Riders who own pit bikes, small motocross bikes, or off-road motorcycles with 2.25/2.50-17 rim dimensions (commonly paired with 70/100-17 tires) will benefit from these PaoWin inner tubes. They’re aimed at riders who need a budget-friendly upgrade over stock tubes—especially those who spend time on rocky, sandy, or uneven terrain and want fewer roadside repairs. If you want a straightforward, durable replacement pair with reliable TR4 valves and thicker butyl construction, this 2-pack is designed to meet those needs.