Tyres

Best bike tyres | Online cycling shop Bikester.co.uk

When it comes to finding the right bike tyre, cyclists have a tough decision to make: should they prioritise rolling resistance, traction, weight or puncture protection? All of these factors can lead to very different riding behaviour.

The differences are hidden in the details and should be adapted to the individual needs of each rider. For example, trekking bikers require tyres with low rolling resistance and optimum safety. On the other hand, racing cyclists need the right balance of high grip, cornering and light weight. In short, finding the best tyre for you isn’t easy, which is why Continental, Schwalbe, Mavic et al. offer special tyres for every application. However, only you yourself can decide whether a tyre is right for you.

Tyre construction

A bicycle tyre consists of three different components: the carcass, the bead core and the tread. The bead core is made of steel wire and acts as a stiffening element for a secure fit of the tyre on the rim. Only in the case of folding tyres is the bead core flexible.

The carcass is made from nylon and contains up to 120 threads per inch to ensure a firm grip and easy rolling. The value of TPI (Threads per Inch) or EPI (Ends per Inch) indicates how many steel threads per inch of fabric were used. A value of 120 promises the best running properties for a bicycle tyre, but the many thin nylon threads also increase its susceptibility to punctures. The optimum is either 50 or 67 TPI.

The tread is applied to the carcass. This consists of textile and rubber given its profile during vulcanisation in the furnace. In order to minimise the risk of a puncture, many manufacturers offer puncture protection inserts in their tyres. However, since this additional layer is also associated with a higher weight of the tyre, puncture pads are usually left out of racing bike tyres.

Rubber mixtures

The exact rubber mixture is also important as it affects the running resistance, durability, adhesion to the substrate and the wear of the profile. Manufacturers i.e. SCHWALBE, Continental, try to produce the optimal tyre with different mixes for every requirement, with the following components in the rubber compound:

• Rubber (both natural and synthetic)
• Fillers such as carbon black or chalk
• Oils and greases as plasticisers
• Vulcanising agent, usually sulfur
• Dyes
• Aging agents

MTB tyres have a rather firm rubber compound which provides sufficient stability even on rough terrain. Racing bicycles often have two sets of tyres, including one for rainy conditions which is accordingly soft in order to achieve the best possible adhesion. It is, of course, important to note that a sophisticated and highly-tested rubber mixture can be quite expensive, but also promises significantly longer running performance and better riding comfort.

Bike tyre types

There are three different types of tyre to consider:

Bike typres profile

It’s important to select the right profile for your terrain. Racing bikes usually have tyres with very little profile, because they are ridden on smooth roads and cause little rolling resistance. MTB tyres are heavily profiled to create as large a surface as possible on the mostly rough terrain. This is important in order to transfer steering or braking forces and to make the bicycle controllable.

If, however, a mixture of road and off-road driving is likely, it’s worth looking for an all-round tyre that combines the advantages of both types of tyres – with a profile-less centre and a profiled outer side.

Wear of your bike tyres

There are a variety of factors that will affect the wear and tear of your tyre:

• What is the terrain? A bicycle tyre lasts longer on a smooth road than on rocky terrain
• What weather is the tyre exposed to? Rain, snow, cold, but also the sun and heat strongly influence how long a bicycle tyre lasts
• How fast is the driving style? In the case of fast cornering and hard braking manoeuvres, the tyre is subjected to a high load
• What is the tyre pressure? Under inflated tyres wear heavily

Conventional bicycle tyres have a mileage of 2,000-5,000 kilometres, but there are also tyres that are designed for durability and can withstand damage between 5,000-16,000 kilometres. It’s important that a tyre is quickly replaced if there’s any doubt as to whether it’s still intact. The tyre should be replaced at the latest when the anti-puncture protection or the carcass threads become visible on the tread. In addition, it’s necessary to check the side walls of the tyres at regular intervals, as these can often tear apart due to strong lateral loads such as fast cornering or too little tyre pressure.