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by PowerTap
Price $99.99

Intuitive. Customizable. Sleek. And mission critical.

When we set out to improve the Joule -  the world's first cycling computer designed for cyclists who train with power - we realized that all the data in the world isn't going to help you achieve your goals if it isn't intuitive and easy to use.

Through years of working with cyclists and triathletes of all levels, we understand how to turn training and racing data into meaningful information.

When we designed the Joule, we spent hundreds of hours with cyclists, triathletes, coaches and exercise physiologists, and realized everyone wants answers to four key questions:

  • What am I doing?
  • What have I done?
  • Am I getting better?
  • What should I do to improve?

Joule helps you answer these questions. We realize your training changes. You change. Training with Joule means you'll always know where you are, where you have been and where you need to go. Every ride with Joule can be as targeted and specific as you need it, giving you the precision and effectiveness necessary to perform at all times.

Video: Joule & Joule GPS


  • New and improved design and functionality
  • Specifically designed for cyclists who train with power
  • Training simplified: intuitive to use and easy to analyze data
  • Customizable dashboard: see exactly what you want, when you want
  • Historical reporting: know where you've been and where you're going
  • Includes downloadable power, altitude, TSS, normalized power and other critical training data
Unit dimensions 48mm x 69mm x 17mm
Display size, WxH 25mm x 32mm
Display Type Combo Segmented/Dot Matrix
Weight 50 grams
Battery CR2032 Coin Cell, Maxell recommended
Battery life 300 Hours, typical
Mount Front of bar/Stem/Handlebar
ANT+ Yes
Memory 20 Hours
Downloadable Yes
Barometric Altimeter Yes

What's Included: 

  • Stem/Handlebar mount 
  • Download USB cable
  • Quick start guide 

30201 - Joule without Heart Rate Strap
30200 - Joule with PowerCal Heart Rate Strap

We Accept...

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