18 Inch Bike Inner Tube Set Fits 18x1.50 To 18x2.125 Tires Heavy Duty Butyl Rubber With Schrader Valve Replacement Tubes For Kids BMX Cruiser And Mountain Bikes Two Pack

18 Inch Inner Tube Set (Two-Pack) for 18x1.50-18x2.125
✔️ Two heavy-duty butyl tubes with 32 mm Schrader valve and tire levers

These 18 inch inner tubes replace worn tubes on kids', BMX, cruiser and mountain bikes. They fit 18x1.50-18x2.125 tires and come as a two-pack with tire levers for quick installs.

BSD	355 mm (14.0 in)
Tube width	38-54 mm (1.50-2.125 in)
Valve	32 mm Schrader AV32

✅ 18x1.50-18x2.125 tire compatibility (47/57-355) with 32 mm Schrader AV32 valve
✅ Heavy-duty butyl rubber for air retention and durability
✅ Thick walls resist punctures and handle rough terrain
✅ Includes two inner tubes and two tire levers for quick replacement
✅ Fits kids', BMX, cruiser, mountain bikes and some electric bikes

💡 What is the best inner tube setup for 18 inch bikes on rough terrain?

A handy guide to choosing reliable tubes for everyday trails and rugged surfaces.

• Thick butyl rubber improves air retention and puncture resistance
• 32 mm Schrader valve ensures easy inflation and a secure seal
• Compatible with 18x1.50-18x2.125 tires for a wide range of bikes
• Two tubes per pack plus tire levers speed up roadside repairs