Garmin Cadence Sensor 2This easy to install wireless sensor allows you to constantly monitor your pedaling cadence as you ride. With no wheel magnets needed, this sensor is easy to install, maintain, and move between bikes.COMPATIBLE WITH THESE GARMIN DEVICESfnix(R) 2 Special Editionfnix(R) 3 HRfnix(R) 3 SapphireApproach(R) S60D2(TM) BravoD2(TM) CharlieD2(TM) DeltaD2(TM) Delta PXD2(TM) Delta SDescent(TM) Mk1Edge(R) 1000Edge(R) 1030Edge(R) 130Edge(R) 25Edge(R) 500Edge(R) 510Edge(R) 520Edge(R) 520 PlusEdge(R) 530Edge(R) 530 Mountain Bike BundleEdge(R) 800Edge(R) 810Edge(R) 820Edge(R) 830Edge(R) 830 Mountain Bike BundleEdge(R) ExploreEdge(R) Explore 1000Edge(R) Explore 820epix(TM)eTrex(R) Touch 35eTrex(R) Touch 35tfnix(R) 2fnix(R) 3fnix(R) 5fnix(R) 5 Plusfnix(R) 5Sfnix(R) 5S Plusfnix(R) 5Xfnix(R) 5X Plusfnix(R) ChronosForerunner(R) 230Forerunner(R) 235Forerunner(R) 245Forerunner(R) 245 MusicForerunner(R) 310XTForerunner(R) 35Forerunner(R) 45Forerunner(R) 45SForerunner(R) 620Forerunner(R) 630Forerunner(R) 645Forerunner(R) 645 Music/li>Forerunner(R) 735XTForerunner(R) 910XTForerunner(R) 920XTForerunner(R) 935Forerunner(R) 945Foretrex(R) 601Foretrex(R) 701 Ballistic EditionGPSMAP(R) 276CxGPSMAP(R) 64sGPSMAP(R) 64scGPSMAP(R) 66sGPSMAP(R) 66stMARQ(TM) AthleteMARQ(TM) AviatorMARQ(TM) CaptainMARQ(TM) DriverMARQ(TM) ExpeditionOregon(R) 600Oregon(R) 650Oregon(R) 650tOregon(R) 700Oregon(R) 750Oregon(R) 750ttactix(R) Bravotactix(R) CharlieVaria Vision(TM) In-sight DisplayVIRB(R) 360VIRB(R) Ultra 30VIRB(R) Ultra 30 Aviation In-cockpit BundleVIRB(R) Ultra 30 with Powered MountVIRB(R) XVIRB(R) XEvivoactive(R)vivoactive(R) 3vivoactive(R) 3 Musicvivoactive(R) 3 Music (Verizon)vivoactive(R) HRvivosmart(R) | Garmin Cadence Sensor 2 Cadence Sensor 2