Air tube Excess 20x1-3/8" presta

Excess 20x1-3/8 inner tube – presta valve

Give your 20-inch wheel reliable, long-lasting performance with the Excess 20x1-3/8 inner tube. Designed for demanding riders, it delivers stable pressure, excellent puncture resistance, and perfect compatibility with narrow BMX Race tires or lightweight urban bike tires.

Main features

• Size: 20 x 1-3/8 (37-451)

• Valve type: Presta valve (FPV) – lightweight, precise, and ideal for high-pressure riding

• Material: high-quality rubber offering optimal elasticity

• Lightweight construction to reduce wheel inertia and improve acceleration

• Compatibility: narrow 20-inch tires for BMX Race, junior bikes, and some road/fitness bikes using the 451 format

Specifications & benefits

• Excellent airtightness: ensures long-lasting pressure retention, essential for keeping your tire properly inflated and efficient.

• Easy installation: its supple structure makes it easy to fit inside the tire, even on narrow rims.

• Precise Presta valve: allows fine, controlled inflation so you can adjust pressure to your riding style.

• Enhanced resistance to pinch flats and punctures thanks to its uniform wall thickness.

• 451 tire compatibility: ideal for BMX Race riders using fast, narrow-profile tires.

Why choose this inner tube ?

The 20x1 3/8 Excess inner tube is designed for cyclists looking for a dependable option for narrow wheel setups. Its specific 451 sizing—different from the standard 20-inch (406)—ensures a perfect fit for speed-oriented tires, while the Presta valve offers precise pressure control.