Pirelli have update and changed the name of their rear MX tyres. The original MT32 (mid soft tyre) is now called the MX32 mid soft if it is a 19 inch and XC32 if it is a 18 inch. The MT32 Pro (only ever in 19inch) is now called the MX32 mid hard. The MX32 mid soft is a winner of many world championships over the years. The knobs have a V shape to them which is designed to dig and drive like a paddle. The center block is cut in the middle for knob flexibility which aids grip on lean angles. The caucus of the tyre is made light weight and flexible using special polyester. It is one of the lightest tyres. This is the best option for well watered and sandy tracks. Pirelli have designed the 110/85-19 as a specific 250F tyre for bikes with the 1.85 size rear rim.
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