Features

Training data: Speed, distance, cadence (305 only), heart rate (305 only), lap by position, elevation, average and max speed, calories burned, climb and descent

History: Automatically records up to 1000 laps. Download to your PC using included Training Center™ software.

AutoPause®: Automatically pauses the training timer when you slow down below a specified speed; timer resumes when you speed up again

AutoLap®: Automatically triggers a lap every time you pass a specified location or travel a preset distance

Courses: Race against a recorded course and previous raced speeds at every point along the way. Combine Courses and Virtual Partner™ features and race an opponent that varies speed while climbing hills and navigating turns.

Virtual Partner®: Race against a virtual competitor. Depicts a digital cyclist (desired speed) in relation to your real-time speed and shows how far ahead or behind you are.

Alerts: Speed, time, distance, heart rate (305 only), cadence (305 only)

Calories: Calculates calories burned based on user profile, performance data and altitude changes

Garmin Training Center®: PC-based software (included) overlays ride data on a map and graphs speed, pace, heart rate, cadence and elevation. Create and schedule custom workouts or use workout templates and download to the Edge.

Navigation features

Receiver: SiRFStarIII high sensitivity receiver

Mark location: Mark and save up to 100 locations

Find location: Look up and navigate to stored locations

Back to start: Navigate back to starting location

Track log: 13,000 track points

Physical

Size: 1.75"W x 3.7"H x .9"D (44 x 94 x 23 mm)

Display: 1.17"W x 1.44"H (29.65 x 36.69 mm), 128 x 160 pixels, 4-level grayscale LCD with backlighting

Weight: 88 g

Waterproof: Waterproof to IEC 60529 IPX7 standards. All components are submersible in 1 m of water for 30 minutes

Battery: 800 mAh rechargeable lithium-ion battery; 12 hours typical use

Antenna: Internal patch

Mount: 2-piece mount with zip ties; mounts on stem or handlebars

PC Interface: USB

Sensors

Heart rate: Robust wireless transmission; sends heart rate data to Edge via chest strap

Speed/cadence: Self-calibrating wireless sensor mounts to bike’s rear chain stay. Wheel magnet mounts to rear wheel for speed; cadence magnet attaches to crank arm.

Edge series comparison guide

Here's how the units are different:

Edge 205:

• Altitude: GPS based
• Elevation profile: no
• Cadence: no
• Heart rate: no

Edge 305HR:

• Altitude: barometric altimeter
• Elevation profile: yes
• Cadence: yes with purchase of speed/cadence kit
• Heart rate: yes

Edge 305CAD:

• Altitude: barometric altimeter
• Elevation profile: yes
• Cadence: yes
• Heart rate: yes with purchase of heart rate monitor kit

Edge 305 Bundle with HR & CAD:

• Altitude: barometric altimeter
• Elevation profile: yes
• Cadence: yes
• Heart rate: yes