Binnen Trainen

Riding your bike indoors doesn’t have to be a chore. With a trusted 4iiii power meter, heart rate monitor, and the array of virtual-riding and virtual-coaching apps available, indoor riding has never been more engaging! Keep the wheels turning with our powerful training tools.

  • Bad Weather

    Not Just for Bad Weather

    With the explosion of accurate and instant power measurements, indoor cycling continues to be a growing trend. Training indoors on your bike has gone from a noisy chore to a fun and immersive experience. Accurate and accessible power meters like PRECISION 3+ Pro and PRECISION 3+ let you ride with power on any trainer. Riding apps like Zwift or coaching apps like TrainerRoad keep you focused and entertained.

    1. Shop 4iiii Power Meters
  • What’s Required

    What do I Need?

    To get the most out of an indoor training app, you will want a device that measures power directly and accurately, like a PRECISION 3+ Powermeter. Connect the app using ANT+ or Bluetooth Smart to your power meter or trainer and just start riding!

    1. ANT+ & Bluetooth
  • What is Erg Mode?

    What is Erg Mode?

    Erg Mode is a feature supported by smart trainers and used by coaching software like TrainerRoad or SYSTM. In erg mode, the trainer adjusts resistance in real time to ensure that if an interval requires you to do 250W , you do exactly 250W . Since the trainer is doing the thinking and pacing for you, you can focus on something else like watching TV.

    1. Why Train With Power?
  • What is SIM Mode?

    What is SIM Mode?

    Sim Mode tells your smart trainer to simulate the uphills and downhills that your virtual rider is navigating in your virtual-riding app like Zwift or Rouvy. This makes your virtual rides feel more immersive, more rewarding, and more fun!

  • Viiiiva Heart Rate Monitor

    Viiiiva Heart Rate Monitor

    Viiiiva is so much more than your standard Heart Rate Monitor. While storing 65 hours of workout data, Viiiiva also acts as an ANT+ to Bluetooth bridge. You can broadcast your ANT+ devices to your Bluetooth devices all through your heart rate monitor - perfect for foot pods and Zwifting on Apple TV.

    1. Buy Now
  • PRECISION 3 Powermeter

    PRECISION 3 Powermeter

    With up to 800 hours of battery life, +/-1% accuracy and backed by our legendary 3-year warranty, the PRECISION 3+ Powermeter will be your trusted training tool for years to come.

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  • Reliable. Accurate. Accessible.

    Reliable. Accurate. Accessible.

    This winter, take your training indoors with a factory installed PRECISION 3+ Powermeter and a Zwift-ready Viiiiva heart rate monitor.

    1. Shop Power Meters
Update for US Customers — Reese’s Law

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