PowerTap PRO Hub

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New PowerTap Pro: Lighter, Stiffer, and Better Than Ever:  Updated for 2012; 20-gram weight reduction: hub now weighs only 446 grams; Alloy axle for optimum stiffness-to-weight ratio; ANT+ compatible for use with Joule or your favorite computer

*This product is ANT+ Certified

• ANT+
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• Cycling
• Bike Power Meters