Garmin Forerunner 55 GPS Watch - Aqua Thru Axle & Skewer Part Understand your body better with

Understand your body better with all-day health monitoring features that track your heart rate

7 Lockout Switch Shock Mounted Switch Metric Yes Positive Spring Air Stroke (mm) 50

1-inch hex drive at one end and 16-notch 44mm bottom bracket tool (or centerlock rotor tool) at the other end

Flat Protection SidewallTPI 330Color BlackWeight 620Designed for ebike YesDefined Color BlackISO Width (mm) 55ISO Diameter 584 / 650b / 27

Garmin Forerunner 55 GPS Watch - Aqua Thru Axle & Skewer Part Understand your body better withEasy to use running watch monitors heart rate (this is not a medical device) at the wrist and uses GPS to track how far, how fast and where youve run Take the guesswork out of training with suggested workouts of varying intensities based on your training history, fitness level and recovery time Plan your race day strategy with the PacePro feature (not compatible with on device courses), which offers GPS based pace guidance for a selected course or