Reach new goals and explore new roads with a power meter that delivers on accuracy, durability, and reliability. The Quarq DFour DUB Power Meter was designed specifically for Dura-Ace R9100 chainrings. Train using a Quarq power meter without changing your drivetrain.
You are working hard, pushing yourself to new heights in some of the toughest conditions. Ride with confidence knowing that your power meter will not quit when you need it the most. Enjoy up to 200 hours of ride time in any weather condition with its IPX7 waterproof rating and 10k temperature compensation — if harsh climates do not hold you back, your power meter shouldn't either. That is exactly what the DFour DUB power meter is made for. Train harder, ride faster and unlock your ultimate potential.
The DFour DUB power meter brings simplicity and ease-of-use to your training. With MagicZero automatic calibration, there is no need to worry about calibrating before you ride; just jump on your bike and go. DFour DUB features Bluetooth low energy and ANT+ wireless data transfer, delivering power output information directly to your cycling computer.
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
170mm (No Chainrings)
Mfg PartNum: 00.3018.292.170
172.5mm (No Chainrings)
Mfg PartNum: 00.3018.292.172
175mm (No Chainrings)
Mfg PartNum: 00.3018.292.175