CYCLAMI Ultralight Inner Tube 26 27.5 29 Inches TPU 45mm French Valve 2 Pack

Introducing the CYCLAMI Ultralight Inner Tube—a purpose-built upgrade for 26", 27.5" (650B), and 29" wheels. Crafted from durable TPU and packaged as a convenient 2-pack, this tube pairs lightness with reliable performance, featuring a 45mm Presta (French) valve to accommodate deeper rims and higher-volume tires.

Why choose CYCLAMI Ultralight TPU Inner Tubes

• Ultralight TPU construction lowers rotational mass, helping you accelerate quicker, climb smoother, and enjoy more responsive handling on both MTB trails and gravel adventures.
• Consistent air retention the TPU material provides flexible, resilient sealing that helps maintain tire pressure for longer periods between top-ups.
• 45mm Presta valve length is optimized for deeper rims and higher-volume tires, making inflation easier and ensuring a reliable seal across a range of setups.
• Two tubes per pack deliver practical value for riders who ride two bikes or want a spare on hand for seasonal use.

Versatile fitment for common wheel sizes

Designed to fit the most common mountain and hybrid wheel configurations, the CYCLAMI inner tubes work seamlessly with 26", 27.5" (650B), and 29" wheels. The 45mm Presta valve is particularly beneficial for riders with deeper rims or wider tire setups, helping ensure proper valve seating without interference.

Ideal use cases

• Cross-country and trail riders looking to shed weight without sacrificing reliability.
• Gravel cyclists who want efficient rolling mass and quick tire setup for mixed-terrain routes.
• Urban riders and commuters seeking dependable spares that stay reliable ride after ride.

Quality, origin, and commitment

Powered by CYCLAMI’s TPU formulation and manufactured in Mainland China, these tubes emphasize practical durability and value. The ultralight design is geared toward riders who prize performance on the trail and on the road, without unnecessary bulk.

In the box

• 2 x CYCLAMI Ultralight TPU Inner Tubes with 45mm Presta valves

Installation and care tips

• Inspect the tube for any signs of damage before installation. Replace if you see tears or punctures.
• Seat the tire bead evenly and inflate gradually in small steps to avoid pinching the tube.
• Check your tire and rim compatibility, and ensure the valve fits your rim’s valve hole spacing.