This guarantees the optimum power transfer

Ultra-Compact

more stable cross-section that time trialists

Den nye Argon 18 Nitrogen Ultegra Di2 forener aerodynamisk performance med lav vægt og præcis håndtering – alt sammen pakket ind i et elegant design

IN-Route System hidden routing compatibility

4547 mechanism logo jersey aop rtn classic red Size:XXS This guarantees the optimum powerThe Mechanism Jersey is built for riders who demand speed, comfort, and precision. Its race fit cut is optimized for an aggressive riding position, while the low cut collar minimizes chafing and creates a clean, aerodynamic profile. Constructed from lightweight, breathable fabrics, the jersey delivers the performance needed for racing and high intensity training, while remaining comfortable enough for everyday summer rides. A concealed zippered side