Motorcycle New Chrome Rearview Mirrors for Harley Davidson Flstc Fxdb Dyna Fxdf Flstf 8mm Motorcycle This mirror is the Aftermarket one , 100% New Mirror Size: approx 130mm(5-1/8")* 83mm(3-1/4") About 160mm(6-1/4")stem length Mounting bolt thread: 8mm High class quality and very durable,Good Working Condition and Easy to Install , no installation guide .,Color:Chromed,,,,,,