Ideal use all year all condition road ridingthe catalyst is an all new all year road tyre from panaracer the catalyst is both fast and nimble with the right tread pattern to cope with all conditions the catalyst tyres represent excellent value and feature edge to edge file tread for minimum rolling resistance while maintaining grip specially angled side grooves for traction in really rough conditions strong yet supple casing for speed and agility while remaining robust folding bead wei