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power2max NG ROTOR ALDHU Carbon Road Power Meter Crankset

Power Meter City December 2, 2022

$1,290.00$1,410.00

power2max’s premier NG power with ROTOR ALDHU carbon crank arms!

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power2max NG ROTOR ALDHU Carbon Road Power Meter Crankset

The NG is the premier model in the power2max line-up. With features such as dual leg power measurement, ANT+/Bluetooth SMART compatibility and left/right power balance, the power2max NG ROTOR ALDHU Carbon Road Power Meter Crankset comes fully-loaded. In addition, the NG is accurate to +/- 1.0% and is easy to use with features such as auto-zero and accelerometer-based cadence measurement. The power2max NG model also features a rechargeable battery with 150 hours of run time as well as a full 5-year warranty!

In addition, this power meter crankset uses ROTOR’s first ever carbon crank arms! The ALDHU Carbon Crankset is crazy light, weighing 100 grams less than the ALDHU aluminum model. In addition, vertical and horizontal stiffness had been increased by 11% and 36%, respectively.

 

Key Product Details

Compatibility:

This power meter fits 30 MM bottom brackets and 110 BCD 5-bolt, 130 BCD 5-bolt or 110 BCD 4-bolt chainrings based on the version ordered. See Compatibility tab for more information.

Power Measurement:

The power2max power meter measures power at the spider and is therefore able to measure power from both legs. This NG version is also able to measure your left vs. right leg power balance.

Key Features:

Dual-leg power measurement, lightweight carbon crank arms, accurate to +/- 1.0%, 150 hours of battery life, rechargeable battery, left/right power balance, ANT+ and Bluetooth compatibility, auto-zero (automatic calibration), 5-year warranty. See Specs tab for more information.

Advice From Our Staff:

This is one of our finest power meters. To begin with, you have the power2max power meter spider which is a great unit. It measures power from both legs, is accurate and very reliable. You then add on the NG upgrade, which makes the power2max even better. To finish it off, you get the ROTOR ALDHU carbon crank arms which are ultra-light and stiff. This is an expensive power meter, but if it’s in your budget, it’s about as good as it gets!

 

Options For This Power Meter

BCD: This power meter is available in the following BCDs in order to fit your choice of chainring sizes:

  • 110 5-Bolt | 130 5-Bolt | 110 4-Bolt | 110 4-Bolt SL

Note – The SL (super light) 110 BCD 4-bolt version is 30 grams lighter than the regular 110 BCD 4-bolt version.

Crank arms: The ROTOR ALHDU Carbon arms use a 30 mm spindle and are available in the following sizes:

  • 155 mm | 165 mm | 170 mm | 172.5 mm | 175 mm

Please note – this power meter ships with a Black decal. Please let us know if you would like us to include a different color instead (Red, Blue, White, Green).

 

Other Versions to Consider

NGeco Version: While the NG version you are viewing here features slightly better accuracy, a rechargeable battery, a longer warranty and some additional training metrics, we also sell the more affordable power2max NGeco ROTOR ALDHU Carbon Road Power Meter Crankset version.

Aluminum NG Version: We also have the power2max NG ROTOR ALDHU Road Power Meter Crankset which features ROTOR aluminum crank arms. This version is more affordable, but the aluminum crank arms are not quite as nice. An advantage to the aluminum version however is they come in both 24 mm and 30 mm spindle sizes.

 

Professional Assembly (Optional)

We are happy to professionally assemble your power meter crankset if you select this option when ordering. This ensures your crankset is correctly built and saves you time. Professional assembly includes:

  • Mount the power meter to the cranks and tighten to factory specifications
  • Apply multi-purpose bicycle grease where necessary
  • Install chainrings on the power meter (if chainrings are ordered)
  • Apply power2max decal

Please note – while we tighten everything to factory specs, it is still your responsibility to routinely check your power meter crankset to make sure all bolts and nuts remain securely fastened.

Compatibility

Chainrings: The power fits 110 BCD 5-bolt, 130 BCD 5-bolt or 110 BCD 4-bolt chainrings based on the version ordered. In many cases, you can use your existing chainrings assuming they use the same configuration as the power meter you order.

The 110 BCD 4-Bolt version is compatible with all Shimano 4-bolt chainrings, including Shimano 12-speed chainrings.

What is BCD?: BCD (bolt circle diameter) is simply the diameter of a circle that passes through the centers of the bolt holes in your chainring. The BCD is usually stamped right on the chainring as either 110 or 130. It is important to know what BCD your crankset is because assuming you want to use your existing chainrings on your new power meter, you need to order the correct BCD.

Image of a chainring explaining the concept of BCD

Bottom Bracket: This power meter fits 30 MM bottom brackets. If you currently have a 30 MM crankset on your bike, you should be able to re-use your existing bottom bracket. However, if you are chaining spindle sizes, you will need to replace your bottom bracket.

power2max NG ROTOR ALDHU Carbon Crankset Specs

NameNG ROTOR ALDHU Carbon
Bike TypeRoad
Location of Power MeasurementSpider
Left or Both Legs MeasuredBoth
Independent Left/Right MeasurementYes - Power Balance
InstallationMore involved (60 min. estimated)
Crank Arm MaterialCarbon
Communication ProtocolANT+ and Bluetooth SMART
Claimed Accuracy+/- 1.0%
Active Temperature CompensationNo (however features Auto Zero)
Weight509/520/509/476 grams (110/130/110 4-Bolt/110 4-Bolt SL)
Battery TypeRechargeable
Battery Life150 hours
Method of Cadence MeasurementAccelerometer
BCD110 5-bolt, 130 5-bolt or 110 4-bolt asymmetric
Spindle Size30 mm
Q Factor147 mm
Warranty5 years

In the Box

  • power2max power meter
  • ROTOR ALDHU Carbon crank arms
  • Charging cable
  • User's manual

Tools Needed for Installation

You will need the following tools for installation of this product. You can purchase many of these commonly used tools in our store.

  • 10 mm Allen key

Common Questions and Answers

Question: Is the power2max 4-bolt version compatible with Shimano 12-speed chainrings?

  • Yes, you can install Shimano 12-speed chainrings on this power meter. Please see below for an image of the power2max with Shimano DURA-ACE 9200 chainrings.

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