DUAL CORE targets both soft and rigid durometers of the most responsive high-performance plastics to key areas of the boot for enhanced torsional stiffness

aero and D-shaped seat post compatibility varies by bike model

durable and stretchy body fabric is crafted from either 83% recycled polyester/17% spandex printed jersey or 80% recycled nylon/20% spandex solid jacquard

ST Rotation 10 – Strong on the descent

Move the Adaptive Fit System (AFS) Tongue to perfect the fit over your foot and shin

Tannus Armour 24" X 4.0" Tire Insert With Tube size-30l DUAL CORE targets both softTannus Armour provides 15mm of puncture protection on the top, as well as 2mm of sidewall protection. At the heart of Tannus is our patented Aither Technology. Aither is a multi cell foam compound that forms the structure of the Armour.