The schwalbe rock razor tl 26in tyre is a must for use on those fast trails with a semi slick design your downhill and enduro adventures will never be the same the triple star compound of the mountain bike tyres provides an easy rolling base layer and grippy shoulders the main difference between the two compounds however is its centre construction the pacestar offers a much faster rolling build while the trailstar provides the extra level of grip required for flat out aggression w