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PowerTap G3 Hub

by PowerTap
Price $789.99

Ultra lightweight and the world's most accurate power meter.

Pro-level power management taken to a new level: Since our introduction of the world's first-ever wireless power meter in 2006, we've been continually striving to improve it. The PowerTap G3C and G3 hubs raise the bar to another level altogether: lighter, stiffer, ANT+ compatible and better than ever.

At PowerTap, we realize that data can be the difference between first and second, and PowerTap is the precise instrument that gives you access to real-time performance measurement, accurate to within +/- 1.5%. PowerTap hubs are the perfect tool to improve power and performance to ensure you have your best season ever.

Add the free PowerAgent software package, and you'll have all the tools you need to guarantee you make the most of your data.


  • Hub weighs a mere 325 grams
  • Wider flanges for a stiffer overall wheel
  • Smaller overall hub profile
  • New field-serviceable electronics
  • ANT+ compatible for use with Joule or your favorite computer
  • Axle: 15 mm alloy
  • Hole Count: 20, 24, 28 and 32
  • Compatibility: Shimano/SRAM or Campagnolo
  • Color: black
  • Battery: Coin cell 2032 QTY 1
  • 11 Speed compatible

PowerTap G3 hub parts Drawing 

You will need a Joule or other ANT+ compatible device to use this hub.

Hub center to flange38.0mm17.4mm
Flange diameter57.0mm57.0mm
Spoke hole diameter2.5mm2.5mm
Hub must be laced with minimum 2X pattern

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30001 - G3 20 Hole Campy
30002 - G3 20 Hole Shimano
30003 - G3 24 Hole Campy
30004 - G3 24 Hole Shimano
30005 - G3 28 Hole Campy
30006 - G3 28 Hole Shimano
30007 - G3 32 Hole Campy
30008 - G3 32 Hole Shimano

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