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In Stock & Ready To Ship — XT/Ultegra RT-MT800 Disc Rotors
4iiii Dura-Ace R9100 Precision 3 Single Leg Power Meter
4iiii Dura-Ace R9100 Precision 3 Single Leg Power Meter
4iiii Dura-Ace R9100 Precision 3 Single Leg Power Meter
4iiii Dura-Ace R9100 Precision 3 Single Leg Power Meter
4iiii Dura-Ace R9100 Precision 3 Single Leg Power Meter
4iiii Dura-Ace R9100 Precision 3 Single Leg Power Meter
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4iiii Dura-Ace R9100 Precision 3 Single Leg Power Meter
4iiii Dura-Ace R9100 Precision 3 Single Leg Power Meter
4iiii Dura-Ace R9100 Precision 3 Single Leg Power Meter
4iiii Dura-Ace R9100 Precision 3 Single Leg Power Meter
4iiii Dura-Ace R9100 Precision 3 Single Leg Power Meter
4iiii Dura-Ace R9100 Precision 3 Single Leg Power Meter

4iiii
Dura-Ace R9100 Precision 3 Single Leg Power Meter

Mfg PartNum:
3429
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$489.99
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Backorder: This item is currently out of stock but is available to purchase today as a backorder. The expected availability date shown above is our best estimate as to when it will be shipped to you, but this date is subject to change based on our receipt of this item from its vendor. Shipping in the continental US is free for all backorder items (for international orders, our customer service team will contact you when the item is available to ship). Your credit card will not be charged until your item ships (Paypal requires payment up front, but you can cancel for full refund). Anytime prior to shipment, your backorder can be cancelled by contacting our customer service team.

The Lightest Power Meter On The Market

Used to pace attacks up the Alpe D'Huez in the Tour de France, the 4iiii Dura-Ace 9100 Precision 3 Powermeter delivers industry-leading accuracy and reliability when you need it most. 4iiii's patented 3D Strain Gauge technology assures that the data you depend on will help lead you to your own Yellow Jersey.

Packaged into a durable lightweight design and compatible with ANT+ and Bluetooth Smart headunits, the Precision 3 will help you train harder and smarter.

A ride-ready 4iiii Precision 3 includes and comes preinstalled on a brand-new Dura-Ace 9100 left-side crankarm, compatible with bottom brackets using the Hollowtech II interface.

Whether you are fighting for a Kona slot, spending countless hours on the indoor trainer or striving for a personal best — one thing is clear, success takes time. With up to 800 hours of battery life, +/-1% accuracy and weighing in at only 9 grams, the Precision 3 Powermeter will be your trusted training tool for years to come.

Features:

  • Hollowtech II left side crank arm with built-in 4iiii power meter
  • +/- 1.0% accuracy lets you collect training data with confidence
  • Accelerometer with gyroscope offers detailed cadence readings
  • 9g design is one of lightest crank arm-based meters on the market
  • 800 hours of battery life via replaceable CR2032 battery
  • Pair to the 4iii app with ANT+ and Bluetooth SMART to transfer data
  • Available in 165-175mm crankarm lengths
  • Compatible with Dura-Ace 9100 series drivetrains
  • Power range: 0-4000W
  • Cadence range: 30-150RPM
  • IPX7, IPX5 waterproof rated
  • Sensor weight: 9g

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.

165mm

Mfg PartNum: PML300-S9A00J 

170mm

Mfg PartNum: PML300-S9B00J 

172.5mm

Mfg PartNum: PML300-S9C00J 

175mm

Mfg PartNum: PML300-S9D00J