Vespa mirror - Mount through headset stem holder rubber cover.
Top quality, genuine Piaggio mirror mount stems holder rubbers. The screw in stems fit through the headset top and screw into the base, yours should already have holes cut in to take these, and these rubbers stop water egress into the headset.
Please note: You need to take the throttle or gear rod out of the headset to fit the stem.
Price is for 1, 2 are usually required.
Price includes VAT @ 20%