The 808 Firecrest Tubeless Disc Wheelset from Zipp is based on science when it comes to achieving speed. This wheel is perfect for triathlons, time trials, and hammer rides. The 80 mm high rim is designed to make you faster in every way. Zipp's Total System Efficiency (TSE) design approach gives the 808 Firecrest new features, such as a significant weight reduction of over 300 grams compared to the previous model. Additionally, the wheel has been developed with a hookless and tubeless rim profile, as well as an inner width of 23 mm. This is ideal for using wider tires at lower pressures to improve rolling resistance and cornering grip. In fact, TSE addresses the four main obstacles to speed: aerodynamic drag, gravity, rolling resistance, and vibration losses. Zipp's legendary Firecrest rim shape offers high aerodynamic efficiency and stability in crosswinds. Zipp's ABLC technology employs a complex dimple pattern to enhance aerodynamic efficiency. Although this wheelset is optimized for tubeless tires, you still have the option to use tubeless-compatible tires with tubes. The 808 Firecrest with TSE builds on the success of this wheel for time trials and triathlons. This wheelset is fastest with a 28 mm tire. Disc brakes also provide more reliable speed control and braking power in all weather conditions. In triathlons, wider tubeless tires at lower pressures are faster and offer a smoother ride, keeping your legs fresher for the run. The ZR1 DB hub set, designed in Germany by Zipp, ensures quick engagement and robust durability, further enhancing the performance of the 808 Firecrest.