JIISO TPU inner tube is perfect for use with your mountain bike. It is made from premium butyl rubber. It features better sealing performance, ozone resistant, anti-aging, shock absorption, and electrical insulation merits.

JIISO TPU Bike Inner Tube For Mountain Bike 27.5" and 29" FV45mm Presta Value MTB Tire Tubes

Specification:

• 70 grams, reduces the burden on the bicycle, and makes the ride lighter.
• - Suitable for 27.5" *1.75/2.1 or  29" *1.95/2.3 tires.
• - Compatible with Rim or Disc brake wheels.
• - 100% environmentally friendly recyclable material.
• - Reduced rolling resistance, bringing the best riding experience.
• - Thermoplastic polyurethane (TPU) material and Copper French Value.
• -  Super light: 70% less weight than regular butyl rubber inner tubes, 50% less space in the pocket.