GPS Edge Explore / Explore 1000 from Garmin cycling - used devices
Garmin Varia RTL515 Rearview Cycling Radar and Tail Light, UK/France with Garmin Edge Explore Touchscreen Touring Bike Computer with Connected Features, White : Amazon.co.uk: Sports & Outdoors
Garmin Edge Explore 2 Power - GPS Bike Computer GPS Cycle Computer | Bike-Discount