Bicycle Saddle Support -Post Mount Tail Light Holder for RTL510 Rearview Support

Compatible : for Rearview Radar \/ RTL510.You can install radar tail lights or bicycle tail lights under the bicycle to visual and audible alarms to warn the vehicle of approaching.The bicycle must meet the requirement that the center distance between the two installation points is 53-58 mm.Installation is quick and easy.colour:BlackMaterial:metalPackage Contents:1 x Bicycle Saddle SupportOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +\/- 1-3cm.