Foot peg shift tube
Moto Guzzi V700, V7 Special, Ambassador, 850 GT, 850 GT California, Eldorado, and 850 California Police models
I extracted this information from Ralf Brinkmann off of the old Yahoo! Loopframe_Guzzi news group (which has now moved to Groups.io). In Ralf's own words:
I attach a sketch I completed with dimensions some weeks ago for an Austrian V700 owner.