TRACTION IS EVERYTHING EN1 GRAND PRIX Ultimate Enduro tyre WEC – BEC style racing. EN1 Pattern is available in front and rear.  Grand Prix refers to the style of use. Racing events like the WEC, BEC, Sprint Enduro races or Hare n Hound races. Or Anything else you wish. Tread design and tyre geometry designed for improved grip and comfort for Enduro racers. Detailing around the lateral blocks for improved bite and grip.