Two years of working with the best downhill and free riders in the world richey schley39s comment on the outcome you created a monster the wedge shaped shoulder lugs provide progressive cornering repsonse helps maintain speed in the corners ramps in the centre area roll up quickly and bite the ground when braking new apex sidewall reinforcement and a two ply carcasss make the emperor39s torsion and puncture resistance better than ever the 24 carcass qualifies it as a