SHIMANO ULTEGRA Di2 ELECTRONIC

Market-leading electronic gear shifting thanks to the Di2 system and trickle-down technology from professional-level Dura-Ace groupsets. This system ensures shifting accuracy, which provides crisp and precise shifts with every push of a button. No adjustment is required once setup. Instead of mechanical cables, high-end Di2 electronic wires relay your gear selection instantly with a push of a button. Upgrading to Di2 based system places gear shift buttons on both your aero bar extensions and base bars.

ZIPP 404 NSW

No matter where you ride, the 404 NSW Carbon Clincher Tubeless is engineered to make that ride faster. The 404 NSW Carbon Clincher Tubeless features a redesigned rim shape that aerodynamically integrates wider tubeless tires for enhanced ride quality and performance. Like its 303 and 808 NSW siblings, the 404 NSW Carbon Clincher Tubeless’ wider 19mm internal rim width and corresponding outer rim shape for aerodynamic optimization with 25mm tires. This wheelset allows you to run tubeless or traditional clinchers. The benefits of tubeless include superior flat protection, the ability to run lower pressures, and a smoother ride with high cornering grip and low rolling resistance. Learn more at zipp.com.

ENVE SES 7.8

When the race is against the wind and the clock the SES 7.8 is optimized for the task. By reducing the tradeoffs between aerodynamics, stability, weight, and stiffness, the SES 7.8 carbon fiber aero wheel is the perfect tool for road racing and triathlon alike. The SES 7.8 features asymmetric rim geometries front to back. The front rim is 71mm deep and 29mm wide while the rear rims is 80mm deep and 27.5 mm wide. The dissimilar rim geometries improve the efficiency of the airflow in the system of bike frame and wheels. Visit enve.com/products/ses-7-8/ for more information.

REYNOLDS AR58

The Reynolds AR58 rim brake carbon road bike wheels serve up excellent aerodynamic performance for road racing, time trials and triathlons. The optimized rim profile is remarkably stable in crosswinds and the tubeless ready 19mm rim channel is designed to accommodate wider tires for lowered rolling resistance and improved riding comfort. All for a reasonable price.

SHIMANO RS300

Shimano’s new WH-RS300-CL clincher wheels feature fewer spokes (16H/20H) for increased aerodynamics while the straight spoke construction provides higher torsional rigidity, delivering quick and responsive acceleration. Wider, 17c rims are optimized for wider tires, offering superior comfort and reliability for a balanced and affordable ride.