Dual-Leg Power Measurement
The NG power meter measures power at the crank spider. This means it measures both left and right leg power.
power2max NG ROTOR ALDHU 24MM Gravel Power Meter Crankset
June 23, 2022$1,140.00 – $1,240.00
power2max’s premier NG power for bikes with a Shimano GRX crankset!
power2max NG ROTOR ALDHU 24MM Gravel Power Meter Crankset
The power2max NG ROTOR ALDHU 24MM Gravel Power Meter Crankset is the go-to gravel power meter for bikes with a Shimano GRX crankset. Using the same 24MM spindle as your GRX crankset, this power meter will fit your current bottom bracket without any changes. Even better, the power meter gives you a narrow road Q factor vs. the slightly wider Q factor inherent in GRX cranks and allows you to run a 1x or 2x chainring set-up.
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, this power2max gravel 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!
Highlights
Accurate to +/- 1.0%
The power2max NG power meter is accurate to +/- 1.0% in all environmental conditions.
Rechargeable Battery
The power meter uses a rechargeable battery and gets 150 hours of run time off of a single charge.
Left/Right Power Balance
In addition to measuring both legs, the NG also provides left/right power balance.
ANT+ & BLE
Featuring both ANT+ and Bluetooth SMART, the power meter can be used with virtually any bike computer or smart phone.
5-Year Warranty
The NG comes with a full 5-year manufacturer’s warranty, the longest of any power meter on the market!
Options
Chainrings: You can order this power meter in a 1X or 2X chainring configuration.
- 1x chainring sizes are: 38 | 40 | 42 | 44 | 46
- 2x chainring sizes are: 46/30 | 48/31
Crank arms: The ROTOR ALDHU 24 mm crank arms come in the following crank arm lengths:
- 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).
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.
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
Compatibility
This power meter uses a 24 mm Shimano road spindle and must be used with a 24 mm Shimano bottom bracket.
Tip - If you already have a Shimano crankset on your bike, then this power meter will fit your bottom bracket perfectly as all Shimano cranksets use a 24 mm spindle.
power2max NG ROTOR ALDHU 24MM Gravel Crankset Specs
| Name | NG ROTOR ALDHU Gravel Crankset |
| Bike Type | Gravel |
| Location of Power Measurement | Spider |
| Left or Both Legs Measured | Both |
| Independent Left/Right Measurement | Yes - Power Balance |
| Installation | More involved (60 min. estimated) |
| Crank Arm Material | Aluminum |
| Communication Protocol | ANT+ and Bluetooth SMART |
| Claimed Accuracy | +/- 1.0% |
| Active Temperature Compensation | No (however features Auto Zero) |
| Weight | 632 grams (power meter and cranks) |
| Battery Type | Rechargeable |
| Battery Life | 150 hours |
| Method of Cadence Measurement | Accelerometer |
| BCD | 104 4-bolt |
| Spindle Size | 24 mm |
| Q Factor | 147 mm |
| Warranty | 5 years |
In the Box
- power2max power meter
- ROTOR ALDHU crank arms
- power2max gravel chainrings
- Charging cable
- User's manual
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