and high quality.Fine workmanship and perfect style.Uses: it is used for the mounting and fixing bracket of E-BIKE turn signal and motorcycle turn signal. The front lamp bracket is installed in the center hole of the front fork. If the front fork does not have this mounting hole, please buy it carefully. The rear lamp bracket is mainly for bicycle shelves with taillight mounting holes, or used with our cushion plastic bracket.Diameter of installation hole of turn signal: 10.5mmHeadlight bracket: 38gRear lamp bracket: 40gPlastic bracket of rear lamp: 36gColour:blackMaterial:Nylon+304 stainless steelPackage Contents:1 set x front and rear E-bike bike light fixing bracketOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.