More aggressive than the original GravelKing, the GravelKing SK's aggressive knobs, ZSG Natural rubber compound, puncture protection breaker and AX-α special low rolling resistance casing make the Gravelking a go-anywhere tire.
A absolutely top-of-the-line 1" threaded headset for the most discerning rider. It features oversized, sealed cartridge bearings, so packing and re-greasing bearings are a thing of the past.