Meet the JIISO TPU Bike Inner Tube for Mountain Bikes—designed for trail enthusiasts who want lightness, reliability, and a smoother ride. Built for 27.5" and 29" setups, it keeps you rolling without extra bulk.

Key Features & Design

• Ultra-lightweight — 70 grams; 70% less weight than regular butyl rubber inner tubes and 50% less space in the pocket.
• Size & Fit — Suitable for 27.5" 1.75/2.1 or 29" 1.95/2.3 tires.
• Valve & Compatibility — FV45mm Presta value; Compatible with Rim or Disc brake wheels.
• Materials & Technology — Thermoplastic polyurethane (TPU) material and Copper French Value.
• Performance — Reduced rolling resistance, bringing the best riding experience.
• Durability & Protection — Better sealing performance, ozone resistant, anti-aging, shock absorption, and electrical insulation merits.
• Environment — 100% environmentally friendly recyclable material.

Specs at a Glance

• Weight: 70 grams
• Sizes: 27.5" 1.75/2.1 or 29" 1.95/2.3 tires
• Valve: FV45mm Presta
• Brakes: Rim or Disc brake wheels
• Material: Thermoplastic polyurethane (TPU) material and Copper French Value
• Environment: 100% recyclable material
• Performance: Reduced rolling resistance for a smoother ride

About the product’s core idea: a lightweight, high-performance inner tube that keeps you moving—without the drama of heavy, bulky tubes. It’s all about efficiency, durability, and a touch of ride satisfaction—even on muddy descents.

About JIISO

We love biking and want to make the cycling experience better. It is our ambition to offer high-end and high-quality products. We are constantly working on optimizing our tubes and developing new product ranges. Using new technologies and high-tech materials will further revolutionize the bike tube industry.