A premium cross-country mountain bike tyre for covering a versatile range of uses with maximum support, whether racing or training. A premium cross country mountain bike tire for covering a versatile range of uses with maximum support, whether racing or tra Speed, ultimate performance Speed, ultimate performance The Scorpion XC M MTB Tyre with ProWALL and SmartGRIP technology is a top choice for cross country mountain biking where terrain varies but speed is still the key factor. The Scorpion XC M MTB Tire with ProWALL and SmartGRIP technology is a top choice for cross country mountain biking where terrain varies but speed is still the key factor. The tread pattern complements the SmartGRIP compound for uncompromising performance in variable conditions over differing terrain. The tread pattern complements the SmartGRIP compound for uncompromising performance in variable conditions over ...