OLATHE, Kan.--(BUSINESS WIRE)--Garmin International Inc., a unit of Garmin Ltd. (NASDAQ: GRMN), today announced the Varia line of smart cycling devices, including a first-of-its-kind rearview bike radar and smart bike lights. Helping create a safer cycling environment, Varia rearview bike radar warns cyclists of vehicles approaching from behind up to 140 meters (153 yards) and also warns approaching vehicles of a cyclist ahead, and Varia smart bike lights automatically adjust to changing condit