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Prevent Flat Tyres with Self Sealing Inner Tubes
Inner Tubes
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Puncture Protection Sealants and Puncture Tapes
Sealants & Tapes
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Bicycle Puncture Prevention

The best way to deal with punctures is not to get them in the first place. When it comes to bicycle puncture prevention, you need Dr. Sludge. Available for both Schrader and Presta inner tubes, this ingenious product stops flat tyres by sealing bike inner tubes.

When a sharp piece of metal or glass pierces the tyre of your bicycle, centrifugal force drives a liquid rubber solution into the hole. Immediately it makes contact with the air, Dr. Sludge seals the inner tube permanently with only a minimal reduction in pressure.

One of the great benefits of this, is that bike inner tubes don't stick to the tyres. In addition the inner tubes don't dry out, no matter how hot it is. Every inner tube is fully tested before it leaves the factory.

For bicycle puncture prevention with Schrader tyres, Dr. Sludge self-sealing bike inner tubes come in sizes from 12.5 to 29 (by 1.75). For Presta tyres, the Dr. Sludge inner tubes come in a variety of sizes, also up to 29.

However, if you haven't got a self-sealing inner tube and you get a puncture, you're going to need puncture repair sealants and tape. You may need to get the tyre off the rim and apply a patch repair. We stock the Red Devil kit that includes a tyre lever and four self-seal patches, with a secure, integrated compartment for the patches.

There's also Dr. Sludge's do-it-yourself sealant liquid which is extremely versatile. You can use it with Schrader and other kinds of valves that have removable cores. It's suitable for on and off-roading and can also be used on trailers, golf carts and other equipment. If you use a lot, there's even a five litre bottle available.

Tubeless Tyre Sealant is a great new product made of allergy-free synthetic latex. It's so strong, it can immediately seal punctures up to 3mm in high-pressure tyres. It's non-hazardous (good news for you) and non-corrosive (good news for your bike).

If you're taking part in a cycling event or in a hurry to be somewhere, you want a repair that's fast, even if it's temporary. Cycle Tyre Seal is a can of latex sealant which is pressurised so it allows you to repair a puncture and inflate the tyre very quickly. Anti-puncture tape can also be used with racing, touring and road bikes. It's very long lasting, and an effective basic technology fix.

You can rely on Simply Bearings to get your puncture survival kit to you quickly, and with the benefit of a no-strings refund policy.

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