power2max NGeco Praxis Zayante Carbon Gravel Power Meter Crankset
Josh Matthew August 23, 2025$880.00 – $950.00Price range: $880.00 through $950.00
Gravel power meter crankset with Zayante carbon crank arms and Shimano GRX chainline
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power2max NGeco Praxis Zayante Carbon Gravel Power Meter Crankset
The NGeco is the newest 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 NGeco Praxis Zayante Carbon Gravel Power Meter Crankset comes fully-loaded. The NGeco is accurate to +/- 2.0% in all environmental conditions and is easy to use with features such as auto-zero and accelerometer-based cadence measurement. In addition, the Zayante is a carbon crankset that is lightweight, stiff and looks good too!
Key Product Details
Compatibility:
This power meter fits Praxis M30 (30 mm/28 mm) bottom brackets. It comes with power2max gravel chainrings and features a GRX 47 mm chainline. The power meter gives you a narrow road Q factor vs. the slightly wider Q factor inherent in GRX cranks. 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.
Key Features:
Dual-leg power measurement, carbon fiber crank arms, accurate to +/- 2.0%, 300-400 hours of battery life, CR2450 user-replaceable battery, left/right power balance with system upgrade, ANT+ and Bluetooth compatibility, auto-zero (automatic calibration). See Specs tab for more information.
Advice From Our Staff:
This is one of our favorite gravel power meters. From a power meter standpoint, the power2max measures power from both legs, is reliable and accurate. In addition, you get a Praxis Zayante Carbon crankset which is stiff, lightweight and performs great. It’s a wonderful combination. Just make sure you have a Praxis M30 bottom bracket on your bike as the Zayante uses a 30 mm/28 mm tapered spindle.
Options For This Power Meter
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 Praxis Zayante Carbon crank arms come in the following crank arm lengths:
- 155 mm |160 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).
p2m Gravel NGeco Power Meter Crankset Comparison
power2max makes two similar versions of its gravel power meter crankset. The p2m Gravel Power Meter Crankset and the p2m Power Meter for GRX Chainrings. Please note, each version comes in a variety of different crank arm options, hence the range of prices and spindles, below.
p2m Gravel Power Meter Crankset | p2m Power Meter Crankset for GRX Chainrings | |
Price | $660 – $1,035 | $690 – $790 |
Spindles | 24 mm, 30 mm, Praxis M30 | 24 mm |
BCD | 104 | 110/80 |
Chainline | GRX 47 mm | GRX 47 mm |
Q Factor | Narrower | Standard GRX |
Chainring Configuration | 1x or 2x | 1x or 2x |
Chainring Included | Yes | No (sold separately) |
Chainring | Aftermarket (power2max/ROTOR) | Shimano GRX |
Chainring Sizes | 38T, 40T, 42T, 44T, 46T, 46/30T, 48/31T | 40T, 42T, 48/31T |
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.
Other Versions to Consider
power2max NGeco Praxis DOON: For riders who are looking for a carbon crankset that is even lighter, we recommend the power2max NGeco Praxis DOON Carbon Gravel Power Meter Crankset. This crankset features the same P2M NGeco power meter, but uses Praxis DOON carbon crank arms which are lighter than the Zayante. This power meter crankset also uses a 30 mm spindle.
Compatibility
Drivetrain:
- 1x chainrings: Compatible with 11- and 12-speed drivetrains (not compatible with SRAM 12-speed chains).
- 2x chainrings: Compatible with 9-, 10- and 11-speed drivetrains as well as with 12-speed Shimano, SRAM and KMC chains.
Bottom Bracket: This power meter fits Praxis M30 (30 mm/28 mm) bottom brackets. If you currently have a Praxis M30 MM crankset on your bike, you should be able to re-use your existing bottom bracket. However, if you are changing spindle sizes, you will need to replace your bottom bracket.
power2max NGeco Praxis Carbon Gravel Power Meter Specs
Name | NGeco Praxis Zayante Gravel Crankset |
Bike Type | Gravel |
Location of Power Measurement | Spider |
Left or Both Legs Measured | Both |
Independent Left/Right Measurement | Yes - Power Balance (available via upgrade)* |
Installation | More involved (60 min. estimated) |
Crank Arm Material | Carbon Fiber |
Communication Protocol | ANT+ and Bluetooth SMART |
Claimed Accuracy | +/- 2.0% |
Active Temperature Compensation | No (however features Auto Zero) |
Weight | 533 grams (power meter and cranks) |
Battery Type | CR2450 |
Battery Life | 300-400 hours |
Method of Cadence Measurement | Accelerometer |
BCD | 104 4-bolt |
Spindle Size | Praxis M30 (30 mm/28 mm) |
Q Factor | 147 mm |
Warranty | 2 years |
*Power Balance Upgrade
The power2max NGeco measures power from both legs right out of the box. However, with power balance, you can see how much power each leg is generating individually. If this information is important to you, you can choose to upgrade the power meter at any time. (Please note, you can also purchase the NG version of the power2max which comes with this feature unlocked, along with a rechargeable battery and a longer 5-year warranty.)
You can upgrade your NGeco using the power2max app once you receive the power meter. The cost to upgrade is 50 euros.
In the Box
- power2max power meter
- Praxis Zayante Carbon crank arms and spindle
- power2max gravel chainrings
- CR2450 battery
- 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.
Q&A
Have a question about this? Ask the staff.
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