Tip:
（if you want to buy the Storage bag for the roof bike , pls contact us , we also have that in our store , thanks）
1.Sucker Roof-top quick release is 9mm quick release adapter.
If your bike need 15mm or 20mm adapter to install it , you can contact us get it buy free.
(Such as your bike fork barrel axis size is 15*100mm, or 15*110mm, 20*110mm).
leave us a message to get one pair adapter .

2.Please make sure that the top of your car is flat and not particularly curved.


3.You can watch this YouTube video with an introduction.copy this link and search.
https://youtu.be/ogEOwnkvDbk



Product detail:

Brand： RockBros

No. of Bikes：1/2/3

Color：Green, Blue, Black, Red

Weight：one-bike about 2kg, two-bike about 3.5kg, three-bike about 4.6kg

Feature:

Simple installation

Lightweight

Without any harm to the car

Applicable to any car

Low wind noise
​Installation steps:

Clean up car and sucker
Press cylinder rod until you cant see the white part
Fixed the fork
Confirm the rear wheel position
Fixed rear wheel and pedal
​If you dont know how to install, please go to see item video by computer.
Tips:
if it is installed on a car sunroof, please dont open the skylight.
Speed less than 120km/h
Check car roof rack every 4 hours.
Our text data: three bike mode, carry total 60 kg three bikes, large wind(62-74km/h), car speed (100 kg/h), no any problem.