Garmin

Garmin Bike Speed Sensor

SKU: 71885 · MPN: 010-12103-00
4.7 · 0 reviews
Authorized dealer10% off
$35.99
$39.99Save $4.00
or 4 payments of $8.99 with Affirm
Out of stock
Free shipping
Orders $500 or more
Free returns
Within 30 days
Same day shipping
Order before 3 PM (EST)
Ask anything
We're here to help
$35.99
02 · Overview

Garmin Bike Speed Sensor — Product description

Unlock Precise Speed Tracking for Every Ride

Imagine gliding through your favorite trails or crushing intervals on your indoor trainer without ever second-guessing your speed data. This wireless sensor transforms how cyclists capture real-time performance metrics, delivering accuracy that rivals professional setups. By mounting directly to your wheel hub, it eliminates the fuss of traditional magnet-based systems, using advanced accelerometer technology to detect wheel rotations effortlessly.

Cyclists love its seamless integration with Garmin's ecosystem, providing speed and distance readings that sync instantly to your bike computer or smartwatch. Whether you're a weekend warrior mapping casual spins or a dedicated racer optimizing cadence and power, this sensor ensures your stats are spot-on, even in challenging conditions like wet roads or dim indoor lighting.

Effortless Setup in Minutes

No tools, no magnets, no hassle—that's the beauty of this hub-mounted design. Slide the included sleeve onto your wheel hub, snap the sensor in place, and pair it with your device via ANT+ connectivity. Self-calibration happens automatically during your first ride, adapting to your wheel size for pinpoint precision.

  • Step 1: Clean the hub for a secure fit.
  • Step 2: Attach the sleeve and sensor—fits most standard hubs.
  • Step 3: Wake your Garmin Edge or compatible device and search for new sensors.
  • Step 4: Ride and let it calibrate on the fly.

Pro tip: For multi-bike users, its quick-release mechanism lets you swap it between wheels in seconds, keeping your training data consistent across your fleet.

Built for Real-World Cycling Demands

This sensor stands out with its rugged construction, rated to 1 ATM for splashes and rain—perfect for unpredictable weather. Indoors, it shines on turbo trainers, where GPS signals falter, giving you reliable metrics for structured workouts. ANT+ ensures low-latency data transmission, so your Edge computer updates smoothly without dropouts.

Key specs that matter:

  • Ultra-lightweight at under 10 grams—won't affect your bike's balance.
  • Long-lasting battery life, powered by a common CR2032 coin cell.
  • Magnetless design resists dirt buildup and misalignment.
  • Compatible with a wide range of Garmin devices, from Edge series to select Forerunners and even some third-party apps via ANT+.

Beyond basics, it pairs well with cadence sensors for a full power profile, helping you dial in training zones or analyze ride efficiency post-session.

Why Cyclists Swear by It for Training and Racing

From triathletes transitioning to bike segments to urban commuters tracking daily commutes, this sensor adapts to your lifestyle. One gravel enthusiast shared how it captured nuanced speed variations on loose terrain, where wheel slip would throw off GPS alone. Indoor enthusiasts rave about its trainer compatibility, turning virtual rides into data-rich sessions.

In group rides, real-time speed matching prevents drafting penalties, while solo efforts benefit from historical data trends. Maintenance is a breeze: A quick wipe-down keeps it performing, and its compact size tucks away unnoticed on sleek road bikes or rugged MTBs.

Keep It Running Like New

Longevity meets simplicity. Replace the battery annually or after 500-800 hours of use, depending on your riding intensity. Avoid submersion beyond its rating, and store it dry during off-seasons. If moving between bikes frequently, check the sleeve for wear and replace as needed for optimal grip.

Troubleshooting common quirks:

Issue Solution
No reading on device Re-pair via sensor search; ensure hub is clean.
Inaccurate indoors Recalibrate after wheel changes; spin wheel manually first.
Battery drain Disable unused sensors in device settings.

Frequently Asked Questions

Bike Speed Sensor

Monitor your speed as you ride with this easy-to-install wireless sensor.

The speed sensor attaches to the hub of either wheel and self-calibrates with your Edge® to give you accurate speed and distance at all times, including indoors on the turbo trainer.

Simply attach the sensor and ride. With no magnets or other exposed parts to line up, this sensor is easy to install, maintain and move between bikes.

*Water-rated to 1 ATM; ANT+® wireless connectivity does not work underwater.

Speed Sensor Version Included:

  • Speed sensor
  • Speed sensor sleeve
  • Manual


Use Garmin Bike Speed ​​2 and Cadence 2 sensors to monitor your speed and pedaling cadence. The cadence sensor can be easily connected to the bicycle chain via a zipper tie or ribbon chain.
SKU: NVN-71885
MPN: 010-12103-00
UPC:
03 · The numbers

Technical specifications

BrandGarmin
ModelGarmin Bike Speed Sensor
SKU / MFR#71885

Set product metafields under specs.* to populate this table.

04 · Before you buy

Frequently asked questions

No questions yet. Got one? Drop us a line.

05 · Customer voices

Customer reviews