Hopper Development Universal Accessory Mount
Universal Computer, Light and Accessory mount made specifically for recumbent bikes and trikes. The Ucam base plate can be mounted onto any round tube frame from 1" in diameter to 2.5" in diameter. Mounts easily onto square tube frames as well. Also, this has hole locations to be bolted to water bottle mounts if desired. The mounting holes are 6.4 cm center to center. The mounting bar is 4.1 cm long and the diameter is 2.2 cm.
A great option for mounting lights and computers on Hase Trigos and Kettwiesels.