Delivery in 4-5 business days (EU)

Delivery in 2-3 Business Days (Republic of Ireland)

The DFour DUB was designed specifically for Dura-Ace R9100 chainrings

Training in your sleep will improve your physiology and your performance

Heart health

polar h9 heart rate monitor Size:M-XXL Delivery in 4-5 business daysDelivery in 1 2 business days (Republic of Ireland) Delivery in 3 5 business days (Europe) Finance available at checkout with humm by flexifi. FOR ALL YOUR EVERYDAY SPORTS When you're looking for a reliable high quality heart rate chest strap, Polar H9 fulfills all your needs and more. Bluetooth and ANT+ technologies open up endless connection possibilities to any app or device you want to use. All you need to do is get connected & get going.