Zipp Speed Weaponry 303 Firecrest Carbon Rim - 700, Disc Brake, Matte Carbon, 24H, Front/Rear Crank Spider - A direct development from

- A direct development from the Pro2 EVO hubs with stainless bearings throughout

- Replacement bash guard / lower arm for 09 LG1+ chain guides

Tooth Count: 48/35

Manufacturer Part Number: KP421/160

Zipp Speed Weaponry 303 Firecrest Carbon Rim - 700, Disc Brake, Matte Carbon, 24H, Front/Rear Crank Spider - A direct development fromZipps 303 Firecrest Carbon tubeless rims are designed for the real world a world of imperfect conditions, road surfaces, and elements where the bottom line is simple. Efficiency = speed. Its faster, lighter, and more capable over varied terrainwhether the surface is pavement in all its conditions or no pavement at all. 30mm outside width, a 25mm internal width, and a 40mm rim depth The profile provides low drag and an improved transition between rim