Developed in part with DH World Cup winner Amaury Pierron to be the fastest downhill tire possible Large ramped lugs with long braking edges and open shoulder area for improved feedback and mud shedding 10 percent more stable, and 8 percent lights on average than Schwalbe`s Magic Mary STRL ? Super Trail, 3 carcass layers under the tread with 2 on the sidewalls, bead to bead Snake Skin material and APEX sidewall chafer for increased puncture protection and stabilization USFT ? Addix Ultra Soft compound for hardcore use in enduro and downhill applications EBIKE50 - has achieved a passing rating for use with E-Bikes up to 50kph and is ECE-R75 approved