Welcome to Power-Pedals.com

The aim of Power-Pedals.com is to help you get the power meter that fits your needs, budget and technical skills. Our reviews are simple product summaries providing essential top level features, functions, pros and cons. For power metering novices it may help to have a quick look at our help and information section. You will find information on everything from why monitor power? to legends of power and a short guide to understanding power meters.

Power Metering Options

There are several systems employed for measuring the power output of a cyclist. These systems are all listed below in order of popularity. Please click the images for more details and matching products. There are some dual sided professional units that use two different systems to provide actual left and right power metering (usually from the left crank & bottom bracket axle). Each system has been awarded a score for price (1 expensive to 10 cheapest) & ease of fitting (1 expert fitting only to 10 very easy self fit).

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Power Measured from the Crank Arm

Measuring the Power from the crank arm

The easiest to fit and one of the least expensive power metering solutions are these crank arm power meters. All you need is a couple of Allen keys and you will be riding with power in less than 10 minutes. Easy installation and great value for money. Price is most dependent on the model of crank you are matching up to eg. cheapest being Shimano 105 to the most expensive Dura-Ace 9000

Price = 8/10 – Ease of Fit = 9/10

Medium priced option Lowest price option Easty to fit with limited mechanic skills This power meter measures power from the LEFT side This power meter is compatible with Bluetooth devices This power meter is compatible with ANT+ devices


Power Measured from the Pedal

Measuring the power directly from the pedals

Available in both single or dual sided options pedal based power meters are the most popular on the market. Dual sided option gives TRUE left & right power balance. Very easy to fit and good value for money

Price = 8/10 – Ease of Fit = 10/10

Most expensive option Medium priced option Easty to fit with limited mechanic skills This power meter measures power from BOTH legs This power meter is compatible with Bluetooth devices This power meter is compatible with ANT+ devices


Power measured from the Axle

Measuring power from inside the bottom bracket

These axle based power meters measures the power from just one side (left). They have the advantage of being INTERNAL and fully protected from elements / damage. Requires crankset removal skills but still offers good value for money. Often preferred by MTB and XC riders due to hidden components.

Price = 8/10 – Ease of Fit = 6/10

Most expensive option Medium priced option Moderate skills required - may require tools & assistance This power meter measures power from the LEFT side This power meter is compatible with Bluetooth devices This power meter is compatible with ANT+ devices


Dual Sided Power Metering

A professional power meter measuring power from BOTH sides

These are the professional use power meters. They offer true Left & Right power balance and independently measure the power output from each leg. In this section there are some pedal only systems (e.g. PowerTap & Garmin) and others with sensors in crank arms and/or the axle (e.g. 2InPower & 4iiii). These systems tend to be at the most expensive options. Ease of fitting depends on the power metering system being used …. e.g. pedals – very easy, others systems not so …

Price = 9/10 – Ease of Fit = varies by design

Most expensive option Moderate skills required - may require tools & assistance Easty to fit with limited mechanic skills This power meter measures power from BOTH legs This power meter is compatible with Bluetooth devices This power meter is compatible with ANT+ devices


Power measured from the Chainring

Power metering from the chainring

Measures power from one side only (right). However, they can provide estimated left & right power balance. These Chainring style power meters were some of the original power meter designs and have been honed to perfection. Their popularity may have waivered a little lately due to crank arm systems but they still offer great value of money, high accuracy and the cheapest option for Left v Right power balance. Requires chainring removal skills.

Price = 7/10 – Ease of Fit = 7/10

Medium priced option Moderate skills required - may require tools & assistance This power meter measures power from the RIGHT side This power meter measures power from BOTH legs This power meter is compatible with Bluetooth devices This power meter is compatible with ANT+ devices


Power measured from the Rear Hub

Measuring the power from the rear hub

Measures total power at the rear hub. No power balance available. These rear hub based power systems were one of the original power meter designs. Requires wheel rebuilding skills. All components are protected from the elements and damage.

Price = 7/10 – Ease of Fit = 5/10

Medium priced option Total Power output only This power meter is compatible with Bluetooth devices This power meter is compatible with ANT+ devices

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