Power Meters

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4iiii
4iiii Precision Ultegra 8000 Power Meter 159 views today
  • Weight : 9g
  • Battery Life (days) : 4+
  • Battery : 2032
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£419.00 £349.00 save £70
4iiii
4iiii Precision Power Meter NDS XTR M9000 159 views today
  • Weight : 9g
  • Battery Life (days) : 4+
  • Battery : 2032
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£519.00 £429.00 save £90
4iiii
4iiii Precision 105 7000 Power Meter 159 views today
  • Weight : 9g
  • Battery Life (days) : 4+
  • Battery : 2032
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£299.00
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4iiii Precision Pro Dura Ace 9100 53-39T 159 views today
  • Weight : 25g
  • Battery Life (days) : 4+
  • Battery : 2033
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£1,119.00 £899.00 save £220
4iiii
4iiii Precision Dura Ace 9100 Power Meter 159 views today
  • Weight : 9g
  • Battery Life (days) : 4+
  • Battery : 2032
Spread the cost
£519.00 £385.00 save £134
4iiii
4iiii Precision Power Meter NDS XT M8000 159 views today
Spread the cost
£419.00 £349.00 save £70
4iiii
4iiii Precision Pro 105 7000 159 views today
  • Weight : 25g
  • Battery Life (days) : 4+
  • Battery : 2032
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£699.00 £579.00 save £120
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4iiii
4iiii Precision Pro Dura Ace 9100 52-36T 159 views today
  • Weight : 25g
  • Battery Life (days) : 4+
  • Battery : 2032
Spread the cost
£1,119.00 £899.00 save £220
ONLINE EXCLUSIVE
4iiii
4iiii Precision Pro Dura Ace 9100 50-34T 159 views today
  • Weight : 25g
  • Battery Life (days) : 4+
  • Battery : 2032
Spread the cost
£1,119.00 £899.00 save £220
4iiii
4iiii Precision Pro Ultegra 8000 159 views today
  • Weight : 25g
  • Battery Life (days) : 4+
  • Battery : 2032
Spread the cost
£899.00 £689.00 save £210

Power meters work by using strain gauges that deflect when a force is applied, which is then combined with angular velocity and measured in watts. They are a great training tool and are especially popular among road cyclists. Our range of 4iiii power meters are lightweight, compact and compatible with ANT+ and Bluetooth head unit . They deliver industry-leading accuracy and highly dependable cadence data, while the 3D power meter technology that these models feature is capable of measuring tri-axial strain on your crank arm. What’s more, you can transfer them from bike to bike, so there’s no need to worry if you enjoy road cycling in the week and mountain biking on the weekend. You’ll also be able to pair your bike power meter with your smartphone or cycle computer , with a user-friendly app guiding you to your goals, as well as offering real-time ride analysis.

For you to begin your workout sooner, use our convenient click & collect service to get hold of your new 4iiii power meter sooner. Alternatively, choose delivery or head down to your local Halfords store where one of our team will be happy to assist you. And while you’re here, don’t forget to check out our complete range of cycling technology products.