Riders who want to monitor pedaling rhythm need a cadence sensor that connects reliably to their bike computer or training app. The options in this guide include cadence-only units, sensors that switch between speed and cadence, and sets with separate sensors for both readings.
We compare 9 options from CooSpo, Magene, moofit and more in November 2026, focusing on connection protocols, mounting, weather ratings, and stated battery life. Check your computer or app requirements first, and browse our Speed & Cadence Sensors category for related devices.
At a Glance: Which One Fits You
- Best overall: Garmin Speed Sensor 2 and Cadence Sensor 2 Bundle earns this spot because separate sensors provide speed and cadence readings.
- Best value: moofit Cadence Sensor Bluetooth/ANT+ IP67 earns this spot because it combines cadence tracking, Bluetooth, ANT+, and an IP67 rating.
- Best for cadence-only training: COOSPO Bike Cadence Sensor BK9C earns this spot because it mounts without magnets and lists Bluetooth 5.0, ANT+, IP67, and 300 hours of battery life.
- Best for dual-sensor coverage: iGPSPORT Speed & Cadence Sensor Set earns this spot because it includes separate speed and cadence sensors with Bluetooth 5.0, ANT+, and an IPX7 rating.
Pros
- Fits any size crank arm
- ANT+ connectivity
- Bluetooth Low Energy
- Works indoors and outdoors
- Sends cadence data to Garmin Connect
Cons
- Battery details not provided
- Water-resistance rating not provided
Pros
- Bluetooth and ANT+ connectivity
- Compatible with Onelap, Wahoo Fitness, and Zwift
- Switchable speed or cadence mode
- ANT+ supports multiple device connections
Cons
- One mode at a time
- Bluetooth connects to one app or device
- Must wake after stationary sleep
Pros
- Bluetooth 5.0 and ANT+ connectivity
- Up to 300 hours of stated battery life
- IPX7 waterproof rating
- Replaceable battery
- Ultra-thin design
Cons
- Named app compatibility not listed
- Battery type not specified
- Installation method not detailed
Pros
- Bluetooth and ANT+ connectivity
- Up to 300-hour battery life
- Replaceable CR2032 battery
- Magnet-free installation
- Works with several cycling apps
Cons
- Tracks only speed or cadence at a time
- Two sensors needed to track both metrics
- Bluetooth connects to one device at a time
Pros
- Tracks speed and cadence
- No magnets to align
- Speed data without a head unit
- Fits crank arms of any size
- Easy to move between bikes
Cons
- Compatible devices not fully specified
- Battery life not listed
Pros
- Bluetooth 5.0 and ANT+
- Speed and cadence tracking
- Maker-rated 300-hour battery life
- IPX7 water resistance
- Slim sensor design
Cons
- Specific app support not listed
- Installation details not provided
Pros
- ANT+ and Bluetooth 5.0
- Magnet-free crank-arm installation
- Maker-rated 300-hour battery life
- IP67 waterproof rating
- Works with listed cycling apps
Cons
- Cadence sensor only
- Wahoo app limits pairing two third-party sensors at once
- CR2032 battery requires replacement
Pros
- ANT+ and Bluetooth connectivity
- Magnet-free crank-arm attachment
- IP67 waterproof rating
- Real-time cadence data
- Works with listed third-party apps
Cons
- MooFit app unavailable
- Peloton app support limited to iOS
- Wahoo app cannot pair two sensors at once
Pros
- ANT+ and Bluetooth connectivity
- Compatible with Zwift and Rouvy
- Works with compatible bike computers
- Speed or cadence mode
Cons
- One sensor tracks speed or cadence, not both
- Requires app-level sensor search
- WAHOO APP cannot track two data streams at once
Side-by-Side Comparison
| Sensor | Measurement | Connection | Weather rating | Battery detail |
|---|---|---|---|---|
| Garmin Cadence Sensor 2, Bike Sensor to Monitor | Cadence | ANT+ and Bluetooth Low Energy | Not listed | Not listed |
| Magene Outdoor/Indoor Speed/Cadence Sensor | Speed or cadence, one mode at a time | ANT+ and Bluetooth | Not listed | Sleep after one minute stationary |
| iGPSPORT CAD70 Cycling Cadence Sensor | Cadence | ANT+ and Bluetooth 5.0 | IPX7 | 300 hours |
| COOSPO BK467 Bike Speed & Cadence Sensor | Speed or cadence, one mode at a time | ANT+ and Bluetooth | Not listed | Not listed |
| Garmin Speed Sensor 2 and Cadence Sensor 2 Bundle | Separate speed and cadence sensors | Not listed | Not listed | Not listed |
| iGPSPORT Speed & Cadence Sensor Set | Separate speed and cadence sensors | ANT+ and Bluetooth 5.0 | IPX7 | 300 hours |
| COOSPO Bike Cadence Sensor BK9C | Cadence | ANT+ and Bluetooth 5.0 | IP67 | 300 hours |
| moofit Cadence Sensor Bluetooth/ANT+ IP67 | Cadence | ANT+ and Bluetooth | IP67 | Not listed |
| GEOID CS600 Cadence/Speed Sensor for Cycling | Speed or cadence, one mode at a time | ANT+ and Bluetooth | Not listed | Sleep after one minute stationary |
The key difference is whether a unit records cadence alone, switches between speed and cadence, or comes as a separate-sensor set. Choose a dedicated cadence unit when pedaling data is your goal; riders needing both readings at once should choose two sensors or a bundle.
Common Mistakes to Avoid
Buying a switchable unit while expecting simultaneous speed and cadence is a common mismatch. The Magene Outdoor/Indoor Speed/Cadence Sensor, COOSPO BK467 Bike Speed & Cadence Sensor, and GEOID CS600 Cadence/Speed Sensor for Cycling each use one mode at a time, so both readings require two sensors.
Bluetooth support alone does not guarantee that a sensor will connect to your preferred app or computer. Confirm that both devices support a shared protocol; Bluetooth connects to one app or device at a time on several listed sensors, while ANT+ supports multiple compatible connections.
Phone pairing can fail when you search in system Bluetooth settings instead of the training app. Magene, COOSPO BK467, and GEOID direct phone users to find the sensor inside a compatible app, and sleeping sensors may need to be woken according to their instructions.
Package contents and mounting directions also deserve attention before ordering. COOSPO BK467 has one-piece and two-piece options, while the Garmin bundle and iGPSPORT set include separate speed and cadence sensors, so check the selected configuration.
Best Cadence Sensor Buying Guide
Cadence-Only or Speed-and-Cadence
Measurement mode determines whether a sensor records cadence alone, switches between speed and cadence, or supplies both through separate units. Cadence means pedal revolutions per minute, a useful measure for tracking pedaling rhythm during indoor sessions and outdoor rides.
The Magene, COOSPO BK467, and GEOID CS600 each record speed or cadence in one mode at a time. The Garmin Speed Sensor 2 and Cadence Sensor 2 Bundle and iGPSPORT Speed & Cadence Sensor Set provide separate units, so decide which readings your workouts actually use.
A dedicated cadence sensor keeps the setup focused when speed data is unnecessary. If you need both measurements simultaneously, verify that the package includes separate sensors or plan to buy another compatible unit; a switchable sensor alone cannot provide both readings.
Bluetooth, ANT+, and Device Compatibility
Bluetooth and ANT+ determine which bike computers, watches, phones, and training apps can receive sensor data. Many options here support both protocols, but sensor compatibility does not guarantee that every app or device will accept the connection.
Several listed sensors connect to one app or device at a time over Bluetooth, while ANT+ can connect to multiple compatible devices. Check protocol support on both ends, especially when you want a phone app and bike computer to receive data together.
Phone users should follow the maker’s pairing instructions rather than assuming system settings are the right place to connect. Magene and GEOID direct users to search inside a compatible app, and the moofit and GEOID information notes a Wahoo app limitation when pairing two non-Wahoo sensors together.
Mounting and Crank-Arm Fit
Mounting affects whether a cadence sensor fits your bike and stays positioned to detect pedal rotation. Garmin says its Cadence Sensor 2 fastens to any size crank arm, while COOSPO BK9C attaches to the crank arm without magnets.
The moofit cadence sensor also attaches to a crank arm without magnets, avoiding separate magnet alignment. Before ordering, compare the sensor’s attachment method with your crank arm and follow the maker’s installation directions for the specific unit.
Package quantity matters when choosing a switchable speed-and-cadence sensor. COOSPO BK467 is offered in one-piece and two-piece options, and one unit cannot supply both readings at once; confirm the selected configuration and bundle contents before purchase.
Weather Resistance
A published water-resistance rating gives riders a basis for comparing sensors intended for wet-weather use. The moofit sensor and COOSPO BK9C list IP67, while iGPSPORT gives an IPX7 rating for the CAD70 and Speed & Cadence Sensor Set.
Do not assume an unrated sensor offers protection equivalent to a product with a stated rating. Check the exact model information and follow its care instructions after wet rides or cleaning, because a water-resistance rating does not remove the need for maintenance.
Weather protection should be considered alongside your typical riding conditions, not as a substitute for fit or compatibility. If you ride in rain, compare the published rating and the installation method, then make sure the sensor remains securely attached as directed.
Battery Life and Wake-Up Behavior
Battery information helps you plan maintenance and understand whether a sensor may need waking before a ride. iGPSPORT lists 300 hours for the CAD70 and its sensor set, and COOSPO lists 300 hours for the BK9C.
Magene and GEOID sensors enter sleep after one minute stationary to save power, then need to wake before broadcasting data. If an app cannot find one, follow its instructions to wake the sensor before changing pairing settings or assuming the device is incompatible.
Runtime is not published for every option, so avoid comparing products using an unstated figure. Check maker guidance for battery type, replacement steps, and wake-up behavior, particularly if you move the sensor between indoor training and outdoor rides.
Training App and Workout Fit
App compatibility matters because a sensor only helps when your training software can use its cadence data. Product information names apps such as Zwift, Rouvy, Peloton, Ride with GPS, and TrainerRoad for certain models, but support varies by sensor and app.
Check the app’s sensor requirements and whether it accepts Bluetooth or ANT+ from third-party devices. COOSPO BK467 lists compatibility with several cycling apps, while the COOSPO BK9C information names Rouvy, Zwift, Peloton, and Wahoo, with a stated Wahoo pairing restriction for two third-party sensors.
Riders choosing a computer and sensor together should compare the head unit’s protocol support before buying either device. Our bike computer guide for gravel riding and GPS bike computer category cover compatible ride-data options.
How We Chose
We score each option with the Haiku Ride Score: core performance 30%, build and weather resistance 20%, ease of use 20%, compatibility and battery 15%, and value 15%. This framework lets us compare cadence-only units, switchable sensors, and complete sensor sets against different riding needs.
We evaluate manufacturer specifications, compatibility information, and long-term owner feedback where available. We research and draft our guides with software tools, including AI, then run automated checks on product fit, sourcing, and our editorial rules. Our editor spot-checks guides rather than reading each one before publication. Our how we review page explains the method.
Price and Value: What Each Budget Gets You
Budget
Entry-level cadence sensors can provide the core reading and common Bluetooth or ANT+ connectivity without adding a separate speed unit. The GEOID CS600 Cadence/Speed Sensor for Cycling and Magene Outdoor/Indoor Speed/Cadence Sensor illustrate this focused approach, but each switches between speed and cadence rather than recording both together. Buyers should also check whether battery life and weather protection are specified.
Mid-Range
Mid-range options can add a dedicated cadence design, a stated water-resistance rating, or published battery-life information. The COOSPO Bike Cadence Sensor BK9C lists Bluetooth 5.0, ANT+, IP67, and 300 hours, while iGPSPORT CAD70 lists Bluetooth 5.0, ANT+, IPX7, and 300 hours. These units suit riders who want more documented features, but still require app and device compatibility checks.
Premium
Higher-cost choices in this guide can provide separate sensors for speed and cadence rather than asking one unit to switch modes. Garmin Speed Sensor 2 and Cadence Sensor 2 Bundle includes two sensors, and iGPSPORT Speed & Cadence Sensor Set lists Bluetooth 5.0, ANT+, IPX7, and 300 hours. This adds broader measurement coverage, but cadence-only riders may not need the extra hardware.
Choosing Something Else
Riders who do not use cadence data can skip a dedicated sensor and rely on the ride information their existing bike computer or app provides. That choice suits casual riders whose training does not depend on pedaling rhythm, and avoids adding another device to mount and maintain. Riders focused on navigation may get more value from comparing computers in our Bike Computers & GPS category.
Final Thoughts
Riders who want speed and cadence from one purchase should compare the Garmin Speed Sensor 2 and Cadence Sensor 2 Bundle, which includes separate units for both readings. The iGPSPORT Speed & Cadence Sensor Set also supplies separate sensors and lists Bluetooth 5.0, ANT+, IPX7, and 300 hours of battery life, though dual-sensor buyers should confirm app compatibility.
For cadence-focused training, the COOSPO Bike Cadence Sensor BK9C combines crank-arm mounting without magnets, Bluetooth 5.0, ANT+, IP67, and stated 300-hour battery life. The moofit Cadence Sensor Bluetooth/ANT+ IP67 offers cadence tracking and dual-protocol connectivity, but its Wahoo app restriction matters if you plan to pair two third-party sensors.
Riders seeking a switchable speed-or-cadence unit can compare the Magene Outdoor/Indoor Speed/Cadence Sensor, COOSPO BK467 Bike Speed & Cadence Sensor, and GEOID CS600 Cadence/Speed Sensor for Cycling. Each uses one mode at a time, so riders needing both measurements simultaneously should choose separate sensors instead.
Skip a cadence sensor if pedaling data will not affect your riding decisions or your devices lack compatible Bluetooth or ANT+ support. Compare computers in our budget bike computer category if navigation or ride display matters more than cadence tracking.
FAQs
What does a cadence sensor measure?
A cadence sensor measures how many times your pedals rotate per minute, a reading commonly expressed as revolutions per minute. Riders use cadence data to monitor pedaling rhythm during indoor training or outdoor rides. A cadence sensor does not necessarily measure speed, so check whether the specific unit records cadence alone or switches between speed and cadence.
Can one sensor measure speed and cadence at the same time?
A switchable speed-and-cadence sensor usually records one measurement mode at a time. The Magene Outdoor/Indoor Speed/Cadence Sensor, COOSPO BK467 Bike Speed & Cadence Sensor, and GEOID CS600 Cadence/Speed Sensor for Cycling each require separate units for simultaneous speed and cadence data. Check the package contents carefully when choosing a set or bundle.
Will a cadence sensor connect to Zwift?
Some cadence sensors in this guide list Zwift compatibility, including models from Magene and COOSPO. A successful connection still depends on the sensor, your device, and the app’s supported protocol. Confirm Bluetooth or ANT+ compatibility for your setup, and pair from inside the app when the manufacturer instructs phone users to do so.
How do I connect a cadence sensor to my phone?
A Bluetooth cadence sensor connects to a phone through a compatible training app when the app supports that sensor. Magene, COOSPO BK467, and GEOID direct phone users to search inside the app rather than system Bluetooth settings. Bluetooth may connect to one app or device at a time, so check your intended setup before pairing.
Are cadence sensors waterproof?
Water resistance depends on the specific cadence sensor and its published rating. The moofit sensor and COOSPO BK9C list IP67, while iGPSPORT lists IPX7 for its CAD70 and Speed & Cadence Sensor Set. Check your chosen model’s rating and follow its care instructions after wet rides or cleaning.
How does a cadence sensor attach to a bike?
Many cadence sensors attach to a crank arm, and some magnet-free designs avoid aligning a separate magnet. Garmin says its Cadence Sensor 2 fits any size crank arm, while COOSPO BK9C attaches without magnets. Follow the maker’s mounting instructions and confirm the attachment method works with your crank arm.
Which Best Cadence Sensor options suit indoor training in 2026?
The Best Cadence Sensor for indoor training depends on your app, connection protocol, and whether you also need speed data. COOSPO BK9C lists compatibility with Rouvy, Zwift, Peloton, and Wahoo, while other models list different app support. Compare your training app’s requirements with the sensor details before choosing.
Do I need Bluetooth or ANT+ for a cadence sensor?
Choose Bluetooth or ANT+ according to the devices and apps you plan to connect. Many sensors in this guide support both, but Bluetooth may connect to one app or device at once, while ANT+ can connect to multiple compatible devices. For related head units, browse our GPS Bike Computers category.
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