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Positz UltiAir TPU Inner Tube (packaging only, front)

Positz UltiAir TPU Inner Tube (packaging only, rear)

Positz UltiAir TPU MTB 650b Inner Tube – 27.5 x 1.75-2.35, 45mm Presta Valve

Name: Positz UltiAir TPU MTB 650b Inner Tube – 27.5 x 1.75-2.35, 45mm Presta Valve | Mr Cycling World
Brand: Positz
SKU: PSTZ-UATPU-275x175235-FV45
Price: 19.95 AUD
Availability: InStock

$19.95 incl GST

In stock

Product price:	$19.95 incl GST
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Category: 27.5" Tubes Brand: Positz

Product Description
Additional information

Positz UltiAir TPU Inner Tube – 27.5 x 1.75-2.35, 45mm Presta Valve

Specifications:

Size: 27.5 x 1.75-2.35 (fits all 27.5″ tyres with a width of 1.75″ to 2.35″)
ETRTO: 50/61-584
Valve Type: Presta (smooth black outer, brass removable inner core)
Valve Length: 45mm
Tube Material: Thermoplastic Polyurethane (TPU), transparent
Weight: ~55g (each)
Intended Use: Road, Gravel
Recommended Installed Pressure: 80-120 PSI
Brake Compatibility: Suitable for rim and disc brakes

Size-Specific Details:

This 27.5″ TPU tube is the perfect choice for mountain bikers who demand lightweight performance. The 45mm valve length is ideal for most standard rims, ensuring easy inflation without the need for valve extenders. Unlike many TPU tubes on the market, Positz UltiAir features a reinforced valve base, reducing the risk of stress-related failures at this critical connection point. Whether you’re rolling on smooth tarmac or tackling mixed terrain, this TPU inner tube offers a premium riding experience.

Lightweight Performance Upgrade:

Upgrade your ride with the Positz UltiAir TPU Inner Tube, designed for cyclists who seek the perfect balance of performance, durability, and weight savings. Using advanced thermoplastic polyurethane (TPU) technology, this tube is significantly lighter than traditional butyl rubber, reducing rotational weight for improved acceleration, speed, and efficiency.

Stronger, More Resilient, and Reliable:

TPU tubes aren’t just about weight savings—they’re also more puncture-resistant than standard rubber tubes. The material’s elasticity helps absorb road vibrations, offering a smoother, more comfortable ride while maintaining excellent air retention. Whether you’re training, racing, or commuting, UltiAir delivers reliability without compromise.

Durability Meets Sustainability:

The Positz UltiAir TPU Inner Tube isn’t just built to perform—it’s also a more eco-friendly choice. Unlike traditional rubber tubes, TPU can be recycled, reducing waste. Additionally, the material is less susceptible to pinch flats and heat-related failures, making it a long-term investment for serious cyclists.

Make the switch to Positz UltiAir TPU Tubes today and experience a ride that’s lighter, faster, and stronger.