Features:Multi-function external bracket,can be used for decoration.Can be used for the rearview mirror bracket, spotlights bracket, turn signal bracket and other motorcycle, electric bicycle modificationSimple and convenient installation,no installation instruction.Made of high quality aluminum alloy,durable.Can be installed on 10.5mm screw holes left and right rearview mirror.Ideal for raising & extending mirrors.Specification:Extension bar outer diameter:22mmHole position:2(0.5cm0.7cm)Material:Aluminum alloyColor:Red,Blue,Gold,Silver,BlackSize:4.7cm/1.85inch x 1.9cm/0.75inch..Package Included:1 x Motorcycle Expander BracketNO Retail Box. Packed Safely in Bubble Bag.