... )Advantage: G18.5 BA15S Miniature bulb -- easy direct replacement,just plug and play.2)Reference ... number of G18.5: 57,67,89,R5W,R10W3)Lamp Type: Miniature Bulb4)Bulb ... lamp,stop light lamp, rear fog lamp8)Bulb Size: Height:38MM, Diameter: 18MM9)Average ... company could supply different kinds of Auto bulb and Motorcycle bulb:1)WEDGE BULB: T5 ,T6.5 , T10 , ...