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  • Lightweight hub design offers low drag; wireless technology makes it easy to switch speed sensor between bikes
  • Speed sensor attaches to the hub and self-calibrates with your Edge® bike computer, providing accurate speed and distance at all times including indoors on a trainer
  • Wireless crank arm sensor monitors cadence to maximize training efficiency
  • Compatible with Edge® and Forerunner® devices (sold separately)


View all Garmin Bike Computer Accessories

REI membership


Best Use Cycling
Batteries CR2025
Weight 23 grams