The HSF Stem faceplate allows the Pro���le Design HSF/Aeria bottle to be fitted to our standard 1/Seventeen stem
The HSF Aeria bottle smoothes airflow onto the frame, offering the chance to lower aero drag while increasing hydration carrying capacity
The HSF Stem faceplate was designed to allow more riders to enjoy the speed advantage and convenience of the HSF Aeria bottle system - it is a simple upgrade to turn a normal bike into a superbike
