Still the best new-school semi-slick out there
The Rock Razor is almost as light as a regular cross-country tyre, but combines a low-profile central tread pattern with fang-like edge blocks that allow for aggressive cornering.
Huge, angled corner blocks point far enough outwards that they don’t interfere with the semi-slick’s ability to roll quickly, and being full-on DH size and widely spaced, the tyre delivers stacks of cornering grip to hold tight lines even when really leaning the bike over.
Everything adds up — the huge air volume enables lower pressures for good comfort, the casing doesn’t flex laterally too much, and there’s a surprising amount of braking traction.
If ridden aggressively, the Razor can also dance from side to side between the edge rails, which can be a hell of a lot of fun without ever feeling too sketchy.
The lightweight Pacestar version has excellent grip considering the harder durometer rubber, but the tougher, Super Gravity/Trailstar model is best in rougher areas — it compromises a little when climbing or accelerating, but still has excellent rolling speed and dynamic ride feel.
The Rock Razors won’t last forever but are still the best new-school semi-slick out there.