Rally RK100 Single-Sensing Power Meter
The Garmin Rally RK100 is a single-sensing power meter designed for dedicated cyclists, installing easily like a standard pedal. It reliably measures both power and cadence across various terrains, including road and gravel. The internal sensor design ensures durability, and you benefit from an impressive battery life lasting up to 120 hours. This unit is compatible with LOOK KEO cleats. When paired with a compatible Edge computer and the Garmin Connect app, data uploads and software updates are seamless. It also supports indoor training via the Tacx app and popular third-party platforms like Strava.
$579.95
Owner Satisfaction
4.4
/ 5
Category Rank
1338
/ 2104
#1338 in Components
Price vs Category Average
+464%
Above average
Accuracy
1
/ +/- %
Who it's for
- Easy Installation and Portability
- Robust Connectivity and Ecosystem
- Modular Upgrade Path
Who should skip it
- Single-Sided Measurement Limitation
- Higher Cost Relative to Single-Sided Alternatives
- Exposure to Impact Damage
Key Specs
Accuracy
+/- 1%
Battery Life
Up to 120 Hours
Cleat Type
LOOK KEO
Q-Factor
53mm (55mm with provided washer)
Stack Height
12.2mm
Connectivity
ANT+ and Bluetooth
Tension Adjustable
Yes
Included Accessories
Cleat Hardware, 55mm Q-Factor Washers
Features
- Measures power and cadence accurately
- Installs easily like any standard pedal
- Offers up to 120 hours of battery life
- Superior design protects internal sensors
- Compatible with LOOK KEO cleats
- Supports ANT+ and Bluetooth connectivity
- Adjustable tension for personalized feel
- Transferable spindle for year-round use
What customers say
The Garmin Rally RK100 earns high praise for its exceptional ease of use and dependable performance. Riders consistently appreciate the simple installation, allowing quick swapping between bicycles just like a standard pedal change. Reliability is a core strength, featuring stable ANT+ and Bluetooth connectivity and accurate power readings expected from a single sensing unit. Seamless integration within the Garmin ecosystem further enhances the user experience. While some find the entry price high for a single-sided meter, cyclists prioritizing simplicity and robust build quality over dual-sided metrics consider the RK100 a worthwhile investment for its guaranteed consistency.
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