Intelligent Assistance & Interaction

a Pulse Ox sensor5 uses light beams at your wrist to estimate how well your body is absorbing oxygen

Reliable connectivity up to 33 ft (10m)

Customise with free watch faces

customization settings

4iiii ultegra fc8100 precision 3 0 pro speedplay Intelligent Assistance & InteractionFree Delivery in 3 4 business days (Ireland, Northern Ireland) Delivery in 5 7 business days (Europe) Finance available at checkout with humm by flexifi. 4iiii Precision 3+ Pro Powermeter Crankset Ride Ready Dual Side Shimano Ultegra R8100 With outstanding precision and reliability, the Precision 3+ Pro powermeter has already proven itself in tough competition use whether it's on the Alpe D'Huez mountain finish in the Tour de France or racing down the