Introducing the Edge® 20 and Edge® 25 from Garmin® – the world's smallest GPS cycling computers - Garmin Blog
Amazon.com: Garmin Edge 530 Mountain Bike Bundle, Performance GPS Cycling/Bike Computer with Mapping, Dynamic Performance Monitoring and Popularity Routing, Includes Speed Sensor and Mountain Bike Mount : Electronics
Garmin Edge 830 Mountain Bike Bundle GPS cycling computer with mount, speed sensor, Edge remote, and silicone case at Crutchfield
Amazon.com: ELING Waterproof GPS Speedometer 0-35 MPH Speedo Gauge Kit for Marine Sailboat Snowmobile Gokart with Backlight 3-3/8'' (85mm) 12V 24V (LED Shows Course not Odometer) : Automotive
Garmin Edge 530 GPS Bike Computer - Huckleberry Bicycles