Garmin 010-03709-20 Edge 25 GPS Bike Computer, Standard (Black)

Compact: Weighing only 25 grams (0.9 ounce), Edge 20 and Edge 25 are the smallest cycling GPS computers in the world, making them perfect for travel
GPS+GLONASS: Acquire satellites quickly to track how far, how fast and where you rid-even under tree cover
The Garmin Edge 20 and Edge 25 are the first in this size and price range to add GLONASS
Connected Features: Edge 25 allows you to instantly share details of your ride with friends and family via social media by pairing a compatible device with Garmin connect mobile
ANT+ Compatible: Pair Edge 25 with a heart rate monitor, cadence sensor and speed sensor to get the most out of your rides
Garmin Connecttm: Download courses, view personal records and analyze post-ride stats with Garmin connect to get the most out of your training
Share your rides and training activities in real time with live tracking