Welcome to Cyclepowermeters

4iiii

4iiii

Whether you’re a pro or simply training hard, PRECISION power meters deliver industry-leading accuracy, highly dependable cadence data, 3D power meter technology capable of measuring tri-axial strain on your crank arm. Designed to be durable and lightweight, compatible with  ANT+ and Bluetooth head units, PRECISION helps you train harder and smarter. 

PRECISION left side Ride Ready comes is installed on a new Shimano left crank arm (105, Ultegra, or Dura-Ace).

Check your frame clearance before you order by downloading and printing the compatibility guide:
Letter size paper (pdf)  |  A4 size paper (pdf) 

Grid List

Set Descending Direction

11-15 of 15

Page:
  1. 1
  2. 2
  1. 4iiii Dura Ace R9100 PRECISION PRO installed incl. crankset

    RRP: £899.00

    Our Price: £719.20

    Measuring power output from both right & left sides.
    Ridden by the pros, PRECISION PRO dual-side power meters deliver all the benefits of our left-side model.
    That's exceptional accuracy, lightweight design, ANT+ and Bluetooth compatibility, 3D powermeter technology.
    Plus it also has a specific breakdown of left and right wattage. 
    Perfect for those who need specific power output from each crank side,...
    Or anyone who simply wants the best power meter on the market.

    The PRECISION PRO Ride Ready comes pre-installed on a new Shimano DURA-ACE FC-9000 series crankset you purchase from us.

    Please check your frame clearance before you order by downloading and printing the compatibility guide:
     A4 size paper (pdf)

    Learn More
  2. 4iiii Precision 2.0 3D Shimano Ultegra 8000

    RRP: £299.00

    Our Price: £249.00

    IN THE BOX

    • 4iiii PRECISION Power Meter For Shimano Ultegra 8000
    • 2 x 2032 coin cell batteries
    • Quick Start guide

    SPECIFICATIONS

    • Weight: 25 grams (power meter only)
    • Data accuracy: +/- 1% error margin
    • Battery life: 100+ hours on 2032 coin cell battery
    • Battery status indicator: Alert at 15% battery power
    Learn More
  3. Viiiiva Heart Rate Monitor
    £79.99

    Trusted by pros and enthusiasts alike, Viiiiva is 10x more sensitive than most heart rate monitors, 5x more responsive, uses advanced beat-to-beat measurement, and can store up to 65 hours of data. The sensor also collects and transfers data from your other ANT+ products via Bluetooth to your iOS or Android device.  


    Viiiiva is comfortable and easy to wear, featuring a soft, flexible strap for a perfect fit.

    Learn More
  4. 4iiii Precision 2.0 3D Shimano XTR M9000

    RRP: £429.00

    Our Price: £290.00

    In the Box

    • 4iiii PRECISION Power Meter For Shimano XTR M9000
    • 2 2032 coin cell batteries
    • Quick Start guide
    Learn More
  5. 4iiii 105 - R7100 Precision 3.0+ With Apple Find My
    £325.00

    Our most powerful unit to date, compressed into a smaller, lighter package and featuring support for Apple Find My, the PRECISION 3+ Powermeter is a proven choice of pros and weekend warriors alike. Whether you’re fighting for a Kona qualification spot, logging countless hours on virtual riding platforms or looking to better your time up the local KOM segment, you want accurate and reliable tools to unlock your potential. With up to 800 hours of battery life, an automatic terrain selector, +/-1% accuracy and backed by our industry-leading 3-year warranty, the PRECISION 3+ Powermeter will be your trusted tool for years to come.

    In the box:

    Shimano 7100 crank with 4iiii V3+ sensor fitted
    Warranty card
    CR2032 battery instaleld

    Learn More

Grid List

Set Descending Direction

11-15 of 15

Page:
  1. 1
  2. 2