Innovative technology: bicycle inner tube MTB is made of elastic butyl rubber with an innovative nano coating process on the tube surface; sealing, wear resistance, cold resistance, heat resistance and anti-aging properties are improved by more than 30% compared to normal tubes.
Specification: bicycle tubes 26"/27.5"/29" x 1.75/2.125-AV32 (Schrader valve); 26"/27.5"/29" x 1.95/2.125-AV32 (Schrader valve); bicycle tubes 26"/27.5"/29" x 1.95/2.125 5-AVV32(Schrader valve); bicycle inner tubes 26"/27.5"/29" x 1.95/2.125-FV48 (French valve). Bicycle inner tubes 26"/27.5"/29" x 2.125/2.40-AV32 (Schrader valve); bicycle inner tubes 29" x 2.125/2.40-FV48; a complete range of sizes to choose the right bicycle inner tubes for your bicycles.
Features: Inner tube MTB Excellent air tightness and have a long service life; Perfect valve-to-tube fit and excellent fit for wheel attachment; Flexible butyl rubber tubes with nano coating and self-sealing performance level capable of sealing punctures up to 3mm.
Packaging: 2 bicycle tyre tubes + 2 bicycle hose pads + 2 mounting rods + 1 instruction manual (English language not guaranteed). Bicycle hose pads wrap around the wheel to protect the tube; mounting rods are made of stainless steel and are extremely durable, smooth surface, so you don't have to worry about them breaking.
After-sales service: If you have any quality problem with the product, please contact us in time, we will give you a satisfactory answer; Working days: 08:00-18:00, weekend time within 24h response.