650B

GravelKing SK Plus has a semi-knobby tread pattern with a super-tough puncture belt for aggressive gravel roads. GravelKing SK Plus has side reinforcement with Protite and a bead-to-bead nylon puncture belt, resulting in a 4-ply, super-tough casing.

Looking for a tire that's more tread aggressive and wider than the mixte-tread narrower Gravel King? The GravelKing SK might just be the tire you need for the more hardcore roads. Aggressive knobs, ZSG Natural rubber compound, puncture protection breaker and AX-A special low rolling resistance casing make the Gravel King a go-anywhere tire. - Black multi-use gravel tread - Aramid (Kevlar) folding bead

The Swoop is an aggressive, all around performance tire that is equally adept at getting you up the mountain as it is getting you down. Specially designed knobs dig in where you need them and inspire confidence in the corners. A great all day, all mountain choice. - Black MTB tread - Max fill 4.5 BAR or 65 PSI - Wire bead: 30 TPI - Aramid (Kevlar Folding) bead: 60 TPI