Rally RS™ RK100 Single-Sensing Power Meter (LOOK KEO)
Rally RS100 is tested to the extreme, so you can ride there too. This single-sensing power meter delivers reliable power measurements and is easy to transfer between bikes no matter what bike you’re on or where you’re riding.
It installs like any other pedal and is easy to swap from bike to bike. Yes, really.
Take a deep dive into your performance by measuring power and cadence.
Clip in with ease. These pedals are compatible with LOOK KEO cleats.
Edge® cycling computer compatibility makes software updates and data uploads easy.
Sync data to your favourite apps for even more analysis and data sharing.
Ready for more? Easily upgrade to a dual-sensing system at any time.
Perfectly designed to help you push yourself.
IMPECCABLY DESIGNED PEDAL
Rally power meters have undergone rigorous testing to ensure total reliability. Featuring a superior design with sensors housed inside, this sleek pedal installs like any pedal. And it's quick to transfer between bikes.
RELIABLE READINGS
By precisely measuring your cadence and forces detected on the left pedal, Rally RK100 doubles the value to provide total power. Want more metrics? Upgrade later to the dual-sensing system.
CLEAT COMPATIBILITY
For a comfortable ride, these pedals are designed with your favourite LOOK KEO cleats in mind.
TRANSFERABLE SPINDLE
From road to gravel to cyclocross and much more, keep riding year-round. A transferable spindle can be installed in Rally RS road or Rally™ XC off-road pedal body kits (each sold separately).
BATTERY LIFE
Make sure you’re ready for those long rides and training sessions with up to 120 hours of battery life.
Conveniently connected.
FULLY CONNECTED
Pair Rally RK100 with compatible Edge cycling computers and the Garmin Connect™ app1 for easy data uploads and software updates. Even connect with the Tacx® Training App when you take your ride inside.
MORE WAYS TO TRAIN
Rally RK100 brings power data to third-party apps1 such as Strava, TrainingPeaks®, TrainerRoad and more.
1Requires app on your compatible smartphone paired to the Rally RK100.
 |  |  |  |  |  | |
| Rally RK100 | Rally RK200 | Rally RS100 | Rally RS200 | Rally XC100 | Rally XC200 | |
| Cleat Type | LOOK KEO | LOOK KEO | Shimano SPD-SL | Shimano SPD-SL | Shimano SPD MTB | Shimano SPD MTB |
| Dual-Sided Full Power Meter | ||||||
| Single-sided Power Meter | ||||||
| Cycling Dynamics* | ||||||
| *Dual-sensing pedals provide cycling dynamics while single-sensing pedals provide power only. | ||||||
Rally Family
| Battery Type | LR44/SR44 (x4) or CR1/3N (x2) |
| Battery Life | up to 120 hours |
| Maximum Rider Weight | 105 kg |
| Accuracy | +/- 1% |
| Field Calibration | |
| Adjustable Release Tension | |
| Measurement location | spindle |
| Communication | ANT+® and Bluetooth® |
Rally RK100 Specific
| Weight | 334 g |
| Water Resistance | IPX7 |
| Cleat type | KEO |
| Q-factor | 53 mm (55 mm with provided 2 mm washer) |
| Stack height | 12.2 mm |
In The Box
- Rally RK100 pedals
- Cleat hardware
- 55 mm Q-factor washers
- Documentation
