What this ovalisation does

Fan speed can be controlled automatically by pairing a Bluetooth or ANT+ speed sensor

the all-season essential built for everyday rides

Bite valve self-seals after each drink

the Tannus Armour tyre levers aren't just for users of Tannus tyre inserts

Race Face Turbine Stem - 1 1/8th Inch Steerer - 35mm - 50mm - 0 Degree - Gold PLP|Largest Cog What this ovalisation doesThe Turbine Stem is a refined take on an iconic trail and enduro cockpit component, designed to deliver uncompromising strength, precise steering, and long term reliability. Fully CNC machined from 6000 series aluminum, the Turbine Stem balances low weight with a solid, secure feel that holds steady when trails get rough. Updated clamp interfaces and corrosion resistant bolts improve retention and ensure your cockpit stays exactly where you set it.