ROCKBROS Bike Suction Cup for Bike Roof Rack MTB &Road Bike Blocks/Bicycle Car Roof Rack Accessories

Our Sucker is made of soft Rubber Material and protect your vehicle’s paint job;
Velcro rear wheel strap design can fix the bicycle rear wheel better,Suit for wheels of different diameters;
Press the cylinder rod several times until the white safe line is not exposed;
Super strong hold on any smooth, non-porous surface;
The sucker is prefect to MTB mountain bike & road bike.