The NEXGA S1 power meter is a budget-friendly option that offers high accuracy when properly calibrated, but it suffers from zero-offset drift requiring frequent recalibration. While praised for its lightweight design and modern features like USB-C and IPX7, concerns about reliability, water resistance, and lack of trusted reviews remain.
Pros
- High accuracy when freshly calibrated: within 0.9% steady-state and 0.3% sprint peaks compared to Assioma.1
- No power drift after high-power sprints up to 1200W.1
- Lightweight at 95g.1
- USB-C charging for convenience.21
- IPX7 waterproof rating.21
- Dual connectivity (ANT+ & Bluetooth).1
- 2-year warranty.1
- Compatible with a wide range of cranks.1
- Attractive price, especially at PandaPodium ($299).2
Cons
- Requires frequent zero-offset calibration; data becomes inaccurate after short pauses (e.g., 1 hour) without calibration.2
- Auto-calibration feature appears not to work as advertised.2
- Concerns about water resistance: IPx7 may not be sufficient for heavy rain.2
- Lack of reviews from trusted sources like GPLama, and concerns about reliability of a new brand.2
- Potential issues with warranty and customer support when buying from standalone websites.2
- Minor time sync difference (1 second) compared to Assioma in some tests.1
- Peak power during sprints can vary by ~3% due to 1Hz recording rate.1
- Only available for specific crank standards (Easton Cinch, SRAM, ROTOR Aldhu, Shimano MTB).1
Key Facts
- Price ranges from $299 at PandaPodium to $471 at CycleGears, AU$500 in Australia.21
- Weight is 95g.1
- Compatible with Shimano chainrings and 24mm spindle; also fits CYBREI, OVERFAST, INCOLOR, Easton Cinch, SRAM, ROTOR Aldhu, Shimano MTB cranks.21
- IPx7 water resistance rating.21
- USB-C charging.21
- Dual connectivity: ANT+ and Bluetooth.1
- Claimed accuracy ±1%, verified within 0.5-2.5% in tests.1
- Each unit factory-calibrated with a report.1
- Firmware version 0.1.5 used in tests.2
Reviews & Ratings
The reviewer, Joe Whittingham, tests the NEXGA S1 power meter and finds it to be highly accurate, comparing it favorably to the Assioma Pro Duos. He notes that previous Chinese spider power meters were "good for the price" but had quirks, whereas the NEXGA S1 is simply "good" or even "great." The power meter shows within 1% accuracy in steady-state and sprint tests, and performs well in temperature-variable long rides. The reviewer highlights features like USB-C charging, lightweight design, and IPX7 waterproofing.
The NEXGA S1 Powermeter is a Chinese power meter that has gained attention for its sleek design, compatibility with Shimano chainrings, and an attractive price point, especially when purchased from PandaPodium at $299. Early reviews and user tests show that it can be accurate when freshly calibrated, but it suffers from significant zero-offset drift, requiring frequent calibration to maintain accuracy. The product has not yet been reviewed by GPLama, a well-known power meter reviewer. Concerns include the IPx7 rating for water resistance, the reliability of a new brand, and the need for constant calibration, which some users find unacceptable.
AI Summary
Pros
- Attractive price, especially at PandaPodium ($299) and CycleGears ($471).
- Good accuracy when freshly calibrated, as shown in tests comparing to Tacx Neo 2T.
- Sprint performance is good with no residual offset after sprints.
more pros in the review
Cons
- Requires frequent zero-offset calibration; data becomes inaccurate after short pauses (e.g., 1 hour) without calibration.
- Auto-calibration feature appears not to work as advertised.
- Concerns about water resistance: IPx7 rating may not be sufficient for riding in heavy rain.
more cons in the review
Key Points
- Price: around $299 at PandaPodium, $471 at CycleGears, AU$500 in Australia.
- Compatible with Shimano chainrings and 24mm spindle.
- IPx7 water resistance rating.
more key points in the review
Where to Buy
NEXGA S1 Powermeter
Official Store
Variants
| Configuration | Mount / Interface | Compatibility | Weight |
|---|---|---|---|
| Easton 110BCD-4S | 110 mm × 4 · 35°, 7.2 mm offset | Easton EC90, Elilee XXE, CYBREI GP3, INCOLOR SkyPivot, CENIT | 95g |
| Easton 144BCD | 144 mm × 5, 13 mm offset | Easton EC90, Elilee XXE, CYBREI GP3, INCOLOR SkyPivot, CENIT | 150g |
| Rotor ALDHU 110BCD-4S | 110 mm × 4 · 35°, 7.6 mm offset | Rotor ALDHU, Rotor ALDHU Carbon, QO Race, QO Grava | 98g |
| Shimano MTB 104BCD | 104 mm × 4 · 45°, 3 mm Boost offset | Shimano SLX M7100, XT M8100, XTR M9200 | 87g |
| SRAM 3-Bolt 104BCD | 104 mm × 4 · 45°, 3 mm Boost offset | SRAM NX/GX/SX/X1/X01/XX1, Praxis Cadet/Lyft, Leonardi Capo | 82g |
| SRAM 3-Bolt 110BCD-4S | 110 mm × 4 · 35°, 8.1 mm offset | SRAM Rival/Force/RED, Praxis Zayante, Senicx PR3/PR2/GR3, FOVNO Aurora | 96g |
| SRAM 8-Bolt 104BCD | 104 mm × 4 · 45°, 3 mm Boost offset | SRAM Eagle XX/X0/XX1/GX/X1-Carbon, Cane Creek eeWings, FRAEZEN, ALUGEAR | 86g |
| SRAM 8-Bolt 110BCD-4S | 110 mm × 4 · 35°, 8.1 mm offset | SRAM Force/RED, Quarq, Cane Creek eeWings, CRODER Spirit, 5DEV | 97g |
| SRAM 8-Bolt 144BCD | 144 mm × 5, 13 mm offset | SRAM Force/RED, Quarq, Cane Creek eeWings, CRODER Spirit, 5DEV | 150g |
Specifications
Attributes
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