RALSON 24 Inch Bicycle Inner Tube (37-540 / 24x1 3/8) | 35mm DV Dunlop Valve | Butyl Rubber Replacement Tube for Road Bike, City Bike, Cruiser, Hybrid, Kids Bicycle & Junior Cycle

Product Overview

Keep your rides smooth and safe with the RALSON 24" Bicycle Inner Tube (37-540 / 24x1 3/8)—a reliable replacement tube engineered for durability, comfort, and everyday performance. Crafted from premium butyl rubber and fitted with a 35mm DV (Dunlop) valve, it offers excellent air retention, puncture resistance, and easy inflation.

• Precise Fit: Designed for 37-540 (24x1 3/8) tires to ensure a secure, leak-resistant seal and confident handling.
• Premium Butyl Rubber: Superior elasticity and airtightness reduce top-ups, absorb shocks, and extend tube life.
• 35mm DV (Dunlop) Valve: Traditional DV valve enables quick, convenient pumping and helps maintain consistent pressure.
• Smooth, Safe Ride: Leak-resistant construction lowers rolling resistance for better stability, comfort, and control.
• Wide Compatibility: Ideal for road, city, cruiser, hybrid, kids, and junior bicycles using 24x1 3/8 (37-540) tires.

Whether you’re replacing a worn tube or adding a spare to your kit, the RALSON 24" Inner Tube delivers dependable performance and value on every ride.

Key terms: 24 inch bicycle inner tube, 37-540, 24x1 3/8, 24x1.375, DV Dunlop valve 35mm, butyl rubber, road bike tube, city bike tube, cruiser bike tube, hybrid cycle tube, kids bike tube, junior bicycle inner tube.

Highlights

• Perfect Fit for 24-Inch Tires – Specifically designed for 37-540 (24x1 3/8 / 24x1.375) tire sizes, ensuring a secure fit and reliable performance for your bicycle.
• Premium Butyl Rubber Quality – Made with high-grade butyl rubber for excellent air retention, superior elasticity, and strong puncture resistance for long-lasting durability.
• Reliable 35mm DV (Dunlop) Valve – Easy-to-use valve allows quick and convenient inflation while maintaining consistent tire pressure to prevent flats.
• Wide Bicycle Compatibility – Suitable for road bikes, city bikes, cruiser bicycles, hybrid cycles, kids’ bikes, and junior bicycles, making it a versatile replacement tube.
• Smooth & Safe Riding Experience – Leak-resistant, shock-absorbing design reduces rolling resistance, improves stability, and provides a comfortable and safe ride every time.

Specifications