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The Zipp 404 stand for three decades for speed. The Firecrest Tubeless version for disc brakes is the latest generation. The legacy of the Zipp 404 as a symbol of speed goes back decades and its future is even better. With a height of 58 mm the 404 Firecrest Tubeless is ideal for road races marathons time trials triathlons and tours in varied terrain. The inner width of the wheelset of 23 mm is perfect for running wider tubeless tires with reduced air pressure. This is an important component of Total System Efficiency TSE an approach to increasing speed on constantly changing roads and riding conditions. TSE focuses in particular on overcoming specific speed barriers: Wind resistance gravity rolling resistance and vibration losses. Zipp’s ABLC Sawtooth technology uses an intricate dimple pattern to improve aeroefficiency. Zipp’s use of hookless straight rims in the 404 Firecrest is an integral part of “Making You Faster.” With Hookless the transition between tire and rim is more seamless and aerodynamic. Zipp’s Hookless rims have more efficient resin distribution which means lighter and stronger wheels. An outdoor test commissioned by Zipp showed the benefits of the Zipp TSE in practice. A total rider and wheel system weighing 85 kg requires 286 watts to maintain a speed of 40 km/h using the 404 Firecrest with 25-mm tires. That’s a savings of 4 watts compared to the previous 404 Firecrest model. At the heart of the 404 Firecrest Tubeless for disc brakes is a versatile and durable hub set the German-designed ZR1 DB. If you only had one wheel to choose from for road training and racing the 404 Firecrest Tubeless for disc brake is a smart and fast choice.
- Versatile aero wheelset for the modern road bike with tubeless and hookless rim profile.
- Optimized tire bed for easy tire installation.
- Wide 23mm rim profile creates a better tire interface