Searching in google for either of those phases should turn up suitable products.
How to secure a bike to a roof rack.
Simply lift the bike onto the rack secure it according to the manufacturer s instructions this will differ depending on which type of bike rack you have and you re good to go.
You generally don t need any special straps or tie down methods to secure your bike on a bike rack.
By far the simplest and easiest way to do this is to use a trunk lock strap or passive lock strap.
The most secure way to lock your bike is with two locks.
Wrap the straps near the rack s horizontal supports around the horizontal portion of your bike s frame thus securing the bike to the rack.
Lock your bike rack to your car.
Be observant of the people around you and your surroundings.
Personalize your bike and make it visible.
And ideally to a bike rack that s cemented into the ground.
Take photos of your bike and keep all the relevant.
The straps may have hook and loop enclosure tape or may be made of rubber that needs to hook around a t shaped piece of plastic depending on the brand and model of rack you have.
Spend on a quality bike lock.
The simplest option passive lock strap.