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Everything Else You Need To Know About Motorcycle Tyres

01 May 2012

Valentino Rossi

More information on many other questions you may have about Bridgestone Motorcycle Tyres or just motorcyle tyres in general!

Minimum tyre tread depth
Excessively worn tyres are more susceptible to penetrations and road hazards. Always remove a tyre before it reaches the legal minimum trread depth in your country. Bridgestone Motorcycle Tyres have a tread wear indicator in the form of a small bar/ridge located in the grooves of each tyre.

Centrifugal forces and the heat generated in a tyre whilst riding can increase the tyre’s overall diameter. This effect is greater in bias-ply tyres than radials. Always ensure sufficient clearance between the tyre and other components on the motorcycle such as the mudguard, chain, swing arm and other fitments.

Spinning your tyres
Spinning a tyre to remove a motorcycle stuck in mud, ice, snow, or wet grass can be dangerous. A tyre spinning at a speedo reading above 35 miles per hour (55 km/h) can quickly reach a speed capable of disintegrating a tyre with explosive force. Under some conditions, a tyre may be spinning at a speed twice that shown on the speedometer. This could cause serious injury or death to bystanders or passenger and extensive motorcycle damage. Never spin a tyre above a speedometer reading of 35 mph (55 km/h).

Wheel spokes and wire wheels
Regularly inspect the spokes of your motorcycle wheels. Broken or loose spokes may cause wheel wobble, which can lead to instability and premature tyre wear. Check rim tape condition. A protruding spoke can damage a tube and cause a tyre puncture.

Tyre (and vehicle) storage
Tyres and/or vehicles should be stored indoors in a cool dry place where water cannot collect inside the tyres. The tyres and/or vehicles should be placed away from electric generators and motors and heat sources such as water pipes. Storage surfaces should be clean and free of grease, gasoline, or other substances, which can deteriorate the rubber. Improper storage can damage your tyres in ways that may not be visible to the naked eye but could lead to tyre failure.

Oil, grease and petrol
Rubber can deteriorate when exposed to any of these materials for any length of time. Use a clean, damp cloth to remove these chemicals from the tyre regularly, whether in use or in storage.

Wheels and rims
Always ensure that the correct tyre size and construction is chosen to match the manufacturer’s wheel size and specification. Always inspect the wheel for damage before fitting the tyre.

Sidewall and treatment
Use a mild soap solution to clean sidewalls, white stripes or raised white lettering, and then rinse off with plain water. Never apply any other materials, cleaners or dressings to enhance sidewall appearance. These items may degrade the rubber and remove inherent ozone cracking and weather checking resistance

Dynamometer tests
Dyno runs place extreme, localised stresses on motorcycle tyres, sometimes causing invisible internal damage to the tyre’s construction. It is possible that this damage may lead to tyre failure at some point. Never use a tyre for street, track day or off-road use that has been used on a dyno. If a dyno run is to be made we advise that only tyres due to be discarded anyway should be used, and then removed from the bike immediately after the dyno run.

More information on many other questions you may have about Bridgestone Motorcycle Tyres or just motorcyle tyres in general!