【DEDICATED TO SAFETY】 TUSITA is dedicated to rider safety. While your Varia or similar radar system increases your awareness and personal security when you’re out on a bike packing adventure or simply your daily commute, our rear Bike Rack Mount builds on the confidence providing a strong and secure placement for your Varia or any other rear-facing device utilizing the quarter-turn system. 【Convenient Bike Rack Attachment】 This TUSTIA Cycling bike rack mount is specifically designed to be mounted directly on the back of your bike rack. It seamlessly integrates with your existing bike cargo carrier, offering a convenient and clutter-free solution. 【Optimal Placement for Radar and Lights】The mount ensures the perfect positioning of your Varia radar or other rear-view lights. With this secure placement, you can trust that your radar light effectively detects oncoming vehicles, while also ensuring that those vehicles can see you clearly during your rides. 【Sturdy and Reliable】 Crafted with robust materials, this bike rack radar mount is built to withstand the rigors of cycling. It provides a secure and stable attachment, giving you the confidence that your radar or lights will stay in place even on rough terrains. 【Easy Installation】With its user-friendly design, this mount can be effortlessly installed on your bike rack. and easily installs to your rear bicycle cargo rack light mounts measuring 50mm-85mm with the included M5 rack bolts.