Bicycle inner tubes in all sizes

Read the ETRTO code to find your size

The right inner tube can be found by reading the ETRTO code moulded on the side of the tyre: two numbers, the width of the tyre followed by the bead diameter of the rim, in millimetres. A twenty-nine-inch mountain bike tyre, for example, displays fifty-seven six hundred and twenty-two, a road tyre twenty-eight six hundred and twenty-two, and a twenty-six-inch mountain bike sits on a diameter of five hundred and fifty-nine. Each inner tube covers a range of widths: a Durca marked forty-seven fifty-seven six hundred and twenty-two fits any tyre of that diameter between forty-seven and fifty-seven millimetres. The diameter, however, must match exactly. Sizes in inches, ambiguous between fractions and decimals, are always checked against the ETRTO.

The other tyres and accessories

Tyres also come in:

• Pumps.
• Accessories.
• Road.
• MTB.
• City.
• Children's.
• Gravel.

All tyres are gathered on the tyres page.

Presta, Schrader or Dunlop: the valve according to the rim

The valve is chosen based on the drilling of the rim. The Presta, also called Sclaverand, thin and lightweight, is used on road bikes, gravel bikes, and most modern mountain bikes: the Schwalbe Air Plus and Vredestein in butyl have it. The Schrader, the same as that on cars and wider, is inflated at the petrol station and is found on city bikes, children's bikes, and BMXs. The Dunlop is still found on older urban bikes. Length is also important: on a high rim, the valve must protrude enough to attach the pump head, hence versions of forty or sixty millimetres. The angled valve from Mitas makes inflating small wheels easier, where there isn't much room for the pump head.

Reinforced butyl, preventative liquid or TPU

Three approaches reduce punctures or weight. The Schwalbe Air Plus focuses on a butyl wall around seventy percent thicker than a standard inner tube, which better resists pinch flats against the rim. The Hutchinson Protect'air contains a dose of preventative liquid that seals small punctures as they occur. The Tubolito X-Tubo, made from thermoplastic polyurethane, weighs significantly less than an equally sized butyl tube and folds down to fit in a saddlebag; designed for gravel and cyclocross, it accommodates a wide range of sections. Classic Durca butyl inner tubes remain the simplest solution for daily riding.

Good deals

Good deals can also be found in the good deals, promotions, clearance, sales, Black Friday. The new arrivals showcase the latest collections, and items shipped in 24h are prepared and dispatched within 24 hours. The highlights of the year follow a steady order: Black Friday at the end of autumn, the year-end holidays, the winter sales, the French Days in spring, then the summer sales and back-to-school.

Frequently asked questions

What inner tube for a twenty-nine-inch MTB?

A twenty-nine-inch MTB uses rims with a diameter of six hundred and twenty-two millimetres, like a road bike. Choose an inner tube whose range covers the width of your tyre, for example fifty-seven millimetres for a two-point-twenty-five tyre.

Is there a truly puncture-proof inner tube?

No inner tube is completely puncture-proof. A reinforced wall or preventative liquid significantly reduces the risk from thorns and small shards of glass, but a clean cut or a strong pinch will always end up causing a puncture.

How to repair a punctured inner tube?

Inflate it and locate the leak by ear or in a basin of water. Sand the area, spread the solvent, let it dry for a few minutes and then apply the patch while pressing firmly. A TPU tube requires specific patches.

How to change the inner tube of the rear wheel?

Shift the chain onto the smallest cog, open the rim brake if necessary and remove the wheel. Unseat one bead, inspect the inside of the tyre to remove the object causing the puncture, install the new inner tube and then reattach the wheel.

What pressure should be put in an inner tube?

The pressure is set according to the range indicated on the side of the tyre, not on the inner tube. A road tyre is inflated much harder than an MTB tyre; if too deflated, the tube can pinch against the rim at the first curb.