GU14126900 Exhaust clamp, chrome, head pipe to crossover clamp for most Tonti frame models beginning with Convert, 850T, T3, T4, T5, G5, 1000SP, SP II, SP III, Mille, Strada, 1000S, California II, LeMans III, California III, California 1100, EV, Jackal, Bassa, California Special, Aluminum, Titanium, California Stone, California Stone Touring, EV Touring,
Also used as the muffler clamp on V7 Sport, 750S and S3 models. 42.5mm
Note: these Italian made exhaust clamps are made the same as they were 40 years ago, which means they are made of thick steel and have large 8mm clamping bolts. They also have a rather crude chrome plating and are often not smooth and shiny.