GARMIN RALLY RK200 POWER METER PEDALSSPECIFICATIONS :Materialstainless steel; aluminum; glass filled nylonCleat Compability3-holeBatteryLR44/SR44; up to 120 battery lifeAccuracy+/- 1 percentQ-Factor53mm (55mm with included spacer)Water ResistanceIPX7Stack Height12.2mmCommunicationBluetooth; ANT+..

GARMIN RALLY XC200 POWER METER PEDALSSPECIFICATIONS :Materialstainless steel; chrome; aluminumCleat Compability3-holeBatteryLR44/SR44; up to 120 battery lifeAccuracy+/- 1 percentQ-Factor53mm (55mm with included spacer)Water ResistanceIPX7Stack Height13.5mmCommunicationBluetooth, ANT+..