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4iiii Precision Power Meter Shimano Dura Ace R9100 Left Crank Arm 175mm
Item #CCK11571C
Condition: NEW
Why We Love It
About This Item
- Product is new, but may have minor cosmetic imperfections
- 3D Power Measurement - 4iiii's patented 3D power measurement system measures multidimensional strain, so you can be confident that your unique pedal stroke is still measured accurately no matter your riding conditions
- Industry Leading Accuracy - Our +/- 1% accuracy isn’t just a claim, it’s been third party tested and validated by leading scientists and the Locomotion Lab at the University of Colorado
- Dual-Channel ANT+ & Bluetooth Smart - 4iiii Powermeters communicate their measurements over both the widely-used ANT+ and Bluetooth Smart radio standards
- 3 Year Warranty - 4iiii Powermeters are waterproof, durable, and designed to be accurate and precise even in the harshest conditions. Because of this, we are happy to offer an industry-leading 3-year warranty
Need Advice? Ask a Ride Guide
Our Ride Guide team is based in the U.S. and staffed with former bike mechanics, bike shop managers, and other certified bike nerds. Get expert advice on calibrating fit, deciding between models, or chat through any other questions.