Garmin Edge 1000 Unit Only

Amazon ReviewsScores 4.3 out of 5 from over 175 Amazon Reviewers (view on Amazon).
Also consider the Garmin Edge 1000 Performance Bundle which is sometimes cheaper!
Large 3 inch dual orientation colour touchscreen GPS bike computer for competing, connecting and navigating, optimised for use with gloves and in the rain. Records speed, distance, time, ascent/descent, gradient, GPS position, time/distance alerts, Virtual Partner (train against a digital person) and more. Turn every ride into a race by competing on Garmin Connect segments and seeing real-time results on your Edge 1000 including alerts for segment start and finish and leaderboard rankings. Preloaded Garmin Cycle Map (34 countries) and round-trip routing for on-road or off-road navigation and points of interest. Input a distance and choose from up to three round-trip ride options. Instant uploads to Garmin Connect Mobile to analyse and share. Connected features (with compatible smartphone) include live tracking, incoming call and text alerts, social media sharing, weather, sending/receiving courses and wireless uploads to Garmin Connect.