Sigeyi AXO Praxis DOON Carbon Road Power Meter Crankset
The Sigeyi AXO Praxis DOON Carbon Road Power Meter Crankset combines the Sigeyi AXO power meter with Praxis DOON carbon crank arms. The Sigeyi AXO power meter measures power from both legs and is accurate to +/- 1.0%. This power meter also features a rechargeable battery with 300 hours of ride time, auto-zero functionality and left and right leg power balance.
Praxis DOON carbon crank arms are the company’s flagship crankset. They are lightweight at only 342 grams (172.5 mm) and use a 30 mm spindle. This makes them compatible with a wide range of bottom brackets. The DOON cranks also have an updated preload collar which ensures reliability and easy adjustment.
Key Product Details
Compatibility:
This power meter fits 30 mm bottom brackets and 110 BCD 5-bolt or 110 BCD 4-bolt chainrings based on the version ordered. See Compatibility tab for more information.
Power Measurement:
The Sigeyi AXO power meter measures power at the spider and is therefore able to measure power from both legs.
Key Features:
Dual-leg power measurement, carbon crank arms, accurate to +/- 1.0%, 300 hours of battery life, rechargeable battery, active temperature compensation, left/right power balance, ANT+ and Bluetooth compatibility, auto-zero (automatic calibration). See Specs tab for more information.
Advice From Our Staff:
The Sigeyi AXO Praxis DOON Carbon Road Power Meter Crankset combines the accurate, affordable and lightweight Sigeyi AXO power meter with top-of-the-line Praxis DOON crank arms. These are lightweight carbon crank arms and which use a 30 mm spindle. This is a great power meter crankset for riders who are looking for a lightweight power meter upgrade for their road bike.
Options For This Power Meter
BCD: This power meter is available in the following BCDs in order to fit your choice of chainring sizes:
Crank arms: The Praxis DOON crank arms come in the following sizes:
- 165 mm | 170 mm | 172.5 mm | 175 mm
Sigeyi Road Power Meter Crankset Comparison
| Power Meter Crankset | Price | Crank Arm Material | BCD Options | Crank Arm Lengths | Spindle Size | Weight (172.5 mm) |
| Sigeyi Aluminum | $425 | Aluminum | 110×4 | 110×5 | 170 | 172.5 | DUB | 555 grams |
| Sigeyi Praxis Zayante Carbon | $595 | Carbon | 110×4 | 110×5 | 155 | 160 | 165 | 170 | 172.5 | 175 | M30 | 513 grams - 172.5 mm |
| Sigeyi ROTOR ALDHU Aluminum | $650 | Aluminum | 110×4 | 110×5 | 150 | 155 | 160 | 165 | 167.5 | 170 | 172.5 | 175 | 24 mm | 30 mm | 609 grams - 24 mm
570 grams - 30 mm |
| Sigeyi Praxis DOON Carbon | $685 | Carbon | 110×4 | 110×5 | 165 | 170 | 172.5 | 175 | 30 mm | 447 grams |
| Sigeyi CYBREI Carbon | $770 | Carbon | 110×4 | 110×5 | 160 | 165 | 167.5 | 170 | 172.5 | 175 | 24 mm Ti | DUB | 440 grams - 24 mm |
425 grams - DUB |
| Sigeyi ROTOR ALDHU Carbon | $875 | Carbon | 110×4 | 110×5 | 155 | 165 | 170 | 172.5 | 175 | 30 mm | 461 grams |
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)
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
Sigeyi AXO Praxis Zayante: For riders who are looking for a slightly more affordable carbon crankset, we recommend the Sigeyi AXO Praxis Zayante Carbon Road Power Meter Crankset. This crankset features the same Sigeyi AXO power meter, but paired with Praxis Zayante crank arms. Please note the Zayante requires a Praxis M30 bottom bracket.
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