700c, 27-Inch & 650c

The Hemisphere is a modern, versatile, and durable trekking tire with tough Flak Jacket puncture protection and a bold tread that delivers control on loose surfaces. This tire's serial center blocks roll easily on paved surfaces, while also providing off-road traction through wide-spaced shoulder blocks that bite into soft ground. Altogether, the Hemisphere will excel on streets and bike paths alike. - Casing: 30 TPI - Bead: Wire - Compound: 70a - Flat Protection: Flak Jacket - 700 x 38mm, PSI 75-100, approximate weight 820g - 700 x 42c, psi 50-100

The updated Roadsport tire features one of our classic, most versatile tread pattern paired with the bead-to-bead protection of our premium Endurant casing. This upgrade gives the tire increased speed, grip, and durability, all in a lighter weight package. We also updated the rubber with a new, extra-grippy compound that provides safe and predictable handling in a variety of conditions. So, it's no surprise that it has already become a Specialized employee favorite. - Casing: 60 TPI - Bead: Wire - Compound: 60a - Flat Protection: Endurant - 26x1 3/8", psi 70-90, approximate weight 515g - 27x1 1/4", psi 85-95, approximate weight 545g - 700x24mm, psi 100-125, approximate weight 335g - 700x26mm, psi 100-125, approximate weight 360g - 700x28mm, psi 85-95, approximate weight 420g - 700x32mm, psi 85-95, approximate weight 460g

The RoadSport is a solid performer that's plenty reliable. It features a durable compound with low rolling resistance and plenty of grip, while our proven Flak Jacket puncture protection will give you piece of mind while out on the road. - Casing: 60 TPI - Bead: Wire - Compound: 70a - Flat Protection: Flak Jacket - 27 x 1-1/4", PSI 85-95, approximate weight 500g

The RoadSport is a solid performer that's plenty reliable. It features a durable compound with low rolling resistance and plenty of grip, while our proven Flak Jacket puncture protection will give you peace of mind while out on the road. - Casing: 60 TPI - Bead: Wire - Compound: 70a - Flat Protection: Flak Jacket

The Trigger Pro 2Bliss Ready tire rolls fast on asphalt, hard-pack, and gravel paths, making it ideal for anyone looking to get the most out of a smooth cyclocross or gravel course. It features a bead-to-bead Endurant casing and BlackBelt technology for improved puncture protection under the tread, while the unrivaled GRIPTON compound makes it smooth rolling and tough enough for the rigors of a 'cross course. And with this 2Bliss Ready version, you'll be able to run lower tire pressures and benefit from the improved grip and protection from pinch flats. - Casing: 60 TPI - Bead: Foldable - Butyl wrapped bead = 2Bliss Ready - Compound: GRIPTON - Flat Protection 700x38c: Endurant Casing and BlackBelt - 700 x 38mm, psi 45-90, approximate weight 490g

On dry, fast, and hardpack cyclocross courses, choose Specialized's Trigger Sport Tire for extra speed. Its file-tread pattern features small, fast-rolling center lugs that progress to large, aggressive shoulder knobs for predictable transitions and sure-footed handling in the corners.