Zipp’s 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. It’s faster lighter and more capable over varied terrain—whether 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 and tire boosting aero efficiency on the road ABLC Sawtooth dimple design helps manage air flow around the rim and contributes to create a faster more stable wheel Zipp graphics that scream speed applied using Zipp’s ImPress direct-print technology to help allow the dimples to do what they were designed to do – improve aero performance
| Brake Compatibility | Disc Only, Rim Brake |
| Rim Width (Internal) | 21, 25 |
| Brake Track | Carbon, None |
| Material | Carbon |
| Valve | Presta |
| Color | Carbon / Black |
| Wheel Size | 650b, 700c |
| Defined Color | Carbon |
| ISO Diameter | 584 / 650b / 27.5", 622 / Road / 29" |
| Hub Drilling | 18, 24 |
| Rim Joint | Carbon |
| Rim Material | Carbon |
| Tire Type | Tubeless Ready |
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