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Comparison Mitas MC-23 Rockrider 120/90 -18 65R vs Metzeler Enduro 3 Sahara 120/80 -18 62S

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Mitas MC-23 Rockrider 120/90 -18 65R
Metzeler Enduro 3 Sahara 120/80 -18 62S
Mitas MC-23 Rockrider 120/90 -18 65RMetzeler Enduro 3 Sahara 120/80 -18 62S
from $128.00 
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from $62.00
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Typeenduroenduro
Recommended axlerearrear
Seasonsummersummer
Width120 mm120 mm
Profile90 %80 %
Rim diameter18 "18 "
Load index6562
Speed ratingRS
Tyre typetube (TT)tube (TT)
DesignBB
Added to E-Catalogjune 2017march 2017

Profile

Tyre profile height. This parameter is specified as a percentage of the profile width (see above).

The higher the profile, the better the motorcycle can carry heavy weight and increased loads when driving on rough roads and the lower its stability at high speeds. Therefore, for high-speed driving on high-quality flat tracks, hard-surface motorcycle tracks, etc. use ultra-low-profile rubber, with a profile height of up to 60%. For most east european roads, given their overall quality, rather low-profile tyres are recommended — 60 — 80%. And tyres with a profile height of more than 80% should be chosen when the key points are not speed, but cross-country ability and resistance to stress.

Now on the market there are tyres with the following profile height: 40%, 50%, 55%, 60%, 65%, 70%, 75%, 80%, 90%, 100%.

Load index

The load index indicates the maximum weight load that the tyre can safely carry in normal operation. To shorten the marking, this parameter is denoted by a two-digit number; you can translate this designation into a specific weight in kilograms using special tables.

This value must not be exceeded — otherwise the tyre may burst at any time due to off-design loads. At the same time, when choosing motor tyres for this parameter, it is worth remembering that the load is distributed unevenly between the front and rear wheels. However, the task is facilitated by the fact that motorcycle manufacturers can indicate the minimum or recommended load indices for the front and rear axles in the documentation for their equipment.

Speed rating

The speed rating characterizes the maximum speed at which the tyre maintains performance, in other words, the highest speed at which you can safely drive when using this tyre in normal mode (on the “native” axle, with normal load, etc.). This parameter is indicated by Latin letters, each of which corresponds to its own maximum speed value — for example, a value of 210 km/h is denoted as H. The most modest modern tyres, used mainly for scooters and motocross motorcycles, have the index J (100 km/h), and in high-speed sports models there are models of the W level (270 km/h).

You should choose a tyre for this parameter based on the recommendations of the motorcycle manufacturer, and if there are no such recommendations, then with a margin of at least 10-15 km/h in excess of the maximum speed with which you plan to ride; this will give an additional guarantee of safety in case of emergency situations. It is technically OK for most motorcycles to use tyres that are less fast than recommended, but in fact this should not be done. And the point is not only that the driver will have to limit the speed of movement — such tyres are generally less durable than high-speed ones and may not tolerate sharp accelerations well.
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