How do you make super better? Make it tubeless. Zipp's go-to triathlon and time trial weapon the Super-9 Tubeless rim-brake wheel is now tubeless ready with an 18mm internal width. That means you can lower tire pressure for a host of benefits better cornering grip better compliance and reduced rolling resistance. With tubeless you get all this without the risk of pinch flats. So go attack the course. The Super-9 gives you the technology needed to do your best. The Super-9 Carbon Clincher optimizes supreme aerodynamics power transfer stiffness lightweight and durability.