Tune to your preferred return speed or adjust for environmental factors such as altitude or ambient air temperature

the valve cores are removable

That doesn't mean you can't rock it on your trail rides though

Material Details- Exceptional Breathability promotes air flow to keep you cool

coating axles

DHaRCO Short Sleeve Protection - M - Black Do Not Ship Internationally Tune to your preferred returnThe Short Sleeve Body Armour provides superior protection using Rheon technology, which offers a soft and flexible feel. Designed for comfort, this armour adapts to your body, remaining soft until subjected to force, at which point it stiffens to dissipate energy. The light mesh fabric ensures it's both comfortable and breathable against the skin, making it ideal for wearing under your favourite jersey. With L1 CE certified protection for the chest,