Lambretta Head Light Beam Adjuster Earth Lead MBL0661
This item fits under the rim of Series 3 SX TV and GP headlight rims and is used to adjust the angle of the beam, as well as providing an earth to the junction box in the headset.
MBL0661
Please note: Although pictured this does not come with the adjuster screw. You can find the screw here MBFRCS4X30