The Zipp 404 Firecrest Tubeless Carbon Rear Wheel is designed for optimal speed in various cycling situations. With a 58mm depth, it’s perfect for road races, time trials, triathlons, and diverse terrains. The 23mm internal width allows for wider tubeless tires at lower air pressures, enhancing Total System Efficiency (TSE) by addressing wind resistance, gravity, rolling resistance, and vibration losses. The ABLC Sawtooth Technology features a dimpling pattern for improved aerodynamics. The hookless rim design ensures a seamless transition between tire and rim, contributing to lighter and stronger wheels. At its core is the ZR1 DB hubset, engineered in Germany for durability and versatility. The 404 Firecrest Tubeless Disc brake is an excellent choice for road riding and racing. SKU: ZP001918621000.