Dynamic performance monitoring provides insights on your VO2 max, recovery, training load focus, heat and altitude acclimation, nutrition, hydration and more. Cycling safety features include new bike alarm, group messaging and tracking, incident detection and compatibility with Varia rearview radar and lights so you can see and be seen. Includes routable Garmin Cycle Map with popularity routing — which helps you ride like a local — plus off-course recalculation and back to start; mountain biking model has integrated Trailforks data, including trail difficulty ratings.

• Customize with free apps, widgets and data fields from the Connect IQ Store
• MTB dynamics track jump count, jump distance and hang time as well as Grit, a measure of the ride’s difficulty, and Flow, which tracks the smoothness of your descent so you have a score to beat next time
• Battery life: up to 20 hours with GPS; extendable up to 40 hours with the optional Garmin Charge power pack or in battery save mode
• Physical dimensions 1.9" x 3.2" x 0.8" (50 x 82 x 20 mm)
• Display size 1.4” x 1.9” (35.0 x 47.0 mm); 2.3" diagonal
• Display resolution 246 x 322 pixels
• Weight: 2.8 oz (78 g)
• Battery: Rechargeable lithium-ion
• Battery life: 20 hours (typical)
• Water rating: IPX7
• Alerts (triggers alarm when you reach time, distance, HR, calories goals)
• LiveTrack
• Advanced performance and power analysis, including new Time in Zone, FTP tracking, cycling-specific VO2 and recovery and cycling dynamics
• Bike trainer profile for compatible Turbo trainer data display and control
• On-device segment compatibility for dynamic and engaging in-ride competition
• Operating temperature: -20°C to +55°C
• Connected features via a smartphone
• Integration with Shimano Di2 electronic shifting
• Weather alerts