Best Cycling Power Meters
Top cycling power meters ranked by transparent trust scores.
8 products ranked
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Top Pick
9.4
Excellent
Favero Assioma Duo
Ranked #1 based on expert reviews, user sentiment, and value analysis.
#1
9.4
Excellent
Consensus
Compare
Ranked #1 based on expert reviews, user sentiment, and value analysis.
Pros
- Class-leading accuracy at a fair price
- Moves between bikes in minutes
- Rechargeable, no coin cells
Cons
- Look Keo-style cleats only on the standard version
- Pedal stack height is slightly tall
Don't buy this if…
- Skip it if you are committed to Shimano SPD-SL cleats, unless you buy the Shi-compatible variant instead.
#2
9.2
Excellent
Consensus
Compare
Ranked #2 based on expert reviews, user sentiment, and value analysis.
Pros
- Native SPD-SL cleat compatibility
- Convertible between three cleat systems
- Deep Garmin ecosystem integration
Cons
- Most expensive pedal option here
- Battery doors have a history of water ingress
Don't buy this if…
- Don't buy it if you ride in heavy rain often, because Rally battery-door seals have a documented failure pattern.
#3
9.0
Excellent
Consensus
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Ranked #3 based on expert reviews, user sentiment, and value analysis.
Pros
- Cheapest reliable entry to power training
- 800-hour battery life
- Apple Find My tracking built in
Cons
- Left-only doubles any leg imbalance error
- Locked to your crank length and model
Don't buy this if…
- Avoid it if your left-right imbalance exceeds a few percent, since single-sided doubling will skew every workout.
#4
8.7
Excellent
Consensus
Compare
Ranked #4 based on expert reviews, user sentiment, and value analysis.
Pros
- Ships on a genuine Ultegra arm
- Simple swap for existing R8100 cranksets
- Long track record of firmware stability
Cons
- Single-sided estimation only
- Company restructuring has clouded long-term support
Don't buy this if…
- Skip it if long-term warranty service worries you, because Stages' corporate turbulence has slowed support responses.
#5
8.5
Excellent
Consensus
Compare
Ranked #5 based on expert reviews, user sentiment, and value analysis.
Pros
- Spider placement captures both legs' true total
- Set-and-forget durability in all weather
- Works with any pedal system
Cons
- Requires SRAM DUB crank compatibility
- Installation needs a torque wrench and know-how
Don't buy this if…
- Don't buy it for a Shimano-crank bike, because the DUB spider interface simply will not fit.
#6
8.3
Good
Consensus
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Ranked #6 based on expert reviews, user sentiment, and value analysis.
Pros
- Only dual-sided SPD pedal meter widely sold
- Survives rock strikes better than expected
- Swaps between gravel and MTB in minutes
Cons
- Premium price for off-road hardware
- Rebuild kits add ongoing cost
Don't buy this if…
- Avoid it if you regularly smash pedals through rock gardens, because a 1000-dollar pedal is still a consumable there.
#7
8.1
Good
Consensus
Compare
Ranked #7 based on expert reviews, user sentiment, and value analysis.
Pros
- Spider-based accuracy at crank-arm prices
- Rechargeable with 300-hour endurance
- Multiple crank interface options
Cons
- Firmware updates are less polished
- Accuracy drifts more in cold weather than claimed
Don't buy this if…
- Skip it if you train through sub-freezing winters outdoors, since its temperature compensation lags the big brands.
#8
7.9
Good
Consensus
Compare
Ranked #8 based on expert reviews, user sentiment, and value analysis.
Pros
- Drop-in upgrade for Rival AXS owners
- Runs on a single AAA battery
- Clean factory-integrated look
Cons
- Left-only measurement doubled
- +/-3% accuracy trails everything above it
Don't buy this if…
- Don't choose it for precision pacing at races, because its accuracy window is the widest in this list.
Quick Comparison
How We Rank
Composite trust score from expert reviews, user sentiment, complaint analysis, and value assessment.
Trust Score
Weighted composite of all factor scores
Expert Score
Aggregated expert review ratings
User Sentiment
Community votes and review analysis
Value Score
Price-to-performance ratio
Freshness
Recency of reviews and data
Change Log
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