Super-9 Disc Freehub Style:SRAM XD-R Conditions – Keeps neoprene and

Conditions – Keeps neoprene and rubber supple and looking good

The WING/20c can be used with any Profile Design clip-on aerobar

or outdoors when the sun is not present (before sunrise and after sunset)

Most later Shimano derailleurs use an 11T pulley and this item would not fit those derailleurs

Size Guide:S/M - Euro 37-41L/XL - Euro 42-46

Super-9 Disc Freehub Style:SRAM XD-R Conditions – Keeps neoprene andSmoother is faster with the Zipp Super 9 Tubeless Disc Brake Disc. Among the lightest disc wheels available, the Super 9 is a superior addition to your modern triathlon and time trial bike. Its refined shape runs wide and parallel from the hub until it feathers inward as it meets the hookless tire bed. Thanks to Zipps Total System Efficiency (TSE) carbon laminate and design, the Super 9 is engineered for a new era of wider tires and lower tire