PIRELLI presents the MT90/AT cross tyre:

• V-shaped tread pattern for braking stability and even wear of the tread.
• Differentiated structure of the carcass, reinforced x-ply or radial for optimised handling even at full load.
• Different compounds for front and rear tyres for stable performance on wet surfaces and in all temperatures.

Road holding, braking, comfort... The choice of a motorcycle tyre impacts many aspects of your machine's behaviour, both on the road and on the track or off-road. It is therefore essential to carefully select the model that best suits your needs.
To help you clarify things, here are some explanations to help you decipher the information on motorcycle tyres:

• Dimensions: width of the tyre in millimetres and height of the tyre as a percentage of that width. E.g. 190/55, for 190 mm wide and 55% high
• Structure: radial (ZR, or R) or diagonal (B), both tyres must be identical in this criterion
• Diameter: expressed in inches, e.g. 17 or 19
• Load index: maximum load that the tyre can support
• Speed index: maximum speed that the tyre can support
• M/C indicator: purpose of the tyre, M/C for motorcycles
• With or without inner tube: TL ("tubeless") for tubeless tyres, TT ("tubetype") with inner tube

In some specific cases, other mentions may appear, generally associated with the commercial name of the tyre. Here are a few:

• A: Kawasaki
• C, F or GT: BMW specification
• E or B: Special carcass for heavy or loaded motorcycles
• G: Honda, Suzuki, Yamaha specification
• GTW: Heavy, fast and powerful Grand Touring motorcycles
• H: Original Honda specification
• K: Very fast motorcycles
• M: Original equipment Suzuki
• N: For Aprilia, Honda, Ducati, Kawasaki, Suzuki, Yamaha, Triumph
• RF: Reinforced tyre
• WW: White-walled tyre

Other less significant references also appear on the sidewalls of motorcycle tyres (country of manufacture, DOT marking, etc.)
Don't forget to regularly check the pressure of your tyres, as it ensures longevity and superior performance!