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Bicycle racks look easy to install on the roof of your car and they are, but a few good tips will help the job go smooth and safe.
The first thing you want to make sure of is the racks you have are for your car. There are two basic types of clamps, one for autos with rain gutters and the other without. This is very important. It’s best to check with the manufacture that the ones you have will work with the type and year of your vehicle. Most shops that carry roof racks and the manufactures, on their web page will have a chart for what type is right for your particular car. Don’t think that you can use any clamp. You risk a serious accident with the bikes and racks coming off while you’re driving if the clamps are not correct.
You have the right clamps and the rest of the gear to fit on your car, now you need to line up a few things. What you’re looking for is a distance between the front and rear of the rack that will give you the optimum space for holding the bicycles. Usually the front rack should be located as far toward the front as you can while still keeping the rack in a level position. In other words, you don’t want to position it so far in front that it tilts forward. Now the rear rack can be positioned by measuring the distance between the front fork of your bike and the rear tire. Set the rear section of the rack that far from the front section of the rack.
When you place the rear rack in position make sure it too is as level as you can get it. This allows the support bars and clamps to fit correctly for optimum strength. Make sure the surface area is clean where you’re attaching the racks and that the clamps have a good fit as described in the instruction manual. Now secure the clamps but don’t tighten completely.
Place your holders for the bikes on the rack. Depending on what type they are. Most require you to take the front wheel off the bike to fit it to the roof rack. If you have just two bike holders, place them near the edge of each side, for easy access in securing and removing the bikes. If you have four, place the first one as near to the end of the support rods so that the front fork of the bike will fit at the front of the car. The next setup will go next to this and will face the back, then the next forward and last of the four on the other edge, it will face the back of the car. This allows handlebar clearance for four bikes. You will need to tighten the bike holders enough to keep the bike in its position on the bike racks, but not snug until you have them spaced just right. Position the bike carriers so that there is enough space to clear each other yet have them as close to the sides of the car as possible, leaving the middle section open. This makes it easier to place and remove your bikes on the car, it also allows room for wheel carriers if you have them.
If you have wheel carriers, you can place these in the middle of the four bikes. You can also save some money and put the wheels in the trunk if you don’t plan on carrying luggage for four people and the bikes.
Now you have everything in position. The space between each bike is enough and the bars on the rack are in the right position for the clamps. Begin to tighten the clamps by tightening slowly one side and then the other. Take your time, you want to have equal pressure all the way around, so tighten slowly and alternate each side. You want to secure the clamps but you don’t want to over tighten in doing it. If you over tighten you can cause damage to the roof of your car or where the clamps fit. One way to test if you have them secure enough is to grab the bar and give it a good tug. Once you have the clamps tight enough, they shouldn’t move out of position when you tug on the bars. Do not tighten any further, You run the risk of damaging your car if you do.
Take a couple of bikes and test to see, how they fit on the car. If you need to adjust the space between the bikes, do so now. Once you have everything at the correct space, tighten the holders for the bike and wheel carriers.
When you first use your bike rack, it’s a good idea to drive around the neighborhood before driving with the bikes at a high speed. Drive around with a bike or two on the car and then test the bars to see if they are still secure. Now try this at high speed such as on a freeway. After five to ten miles, pull off and test the rack again by giving them a good tug. Have your tools with you when you do this, in case you need to make an adjustment.
It’s a good idea to do the tug test occasionally before transporting the bike. After a few times, the rack should stay adjusted without problem.
Roof racks are great, you don’t have bikes in back where someone can bang into them and they aren’t obstructing your rear view. There are disadvantages you need to remember when using them. This is what I do to help myself remember I have bikes on top of the car. Buy a pack of stickies. Those note pads that have an adhesive edge to stick on a page. Write, ‘Bikes on top’ and put the sticker on the windshield where you can see it when you transport bikes. They make a gadget that when the car stops a sign comes down to warn you that there are bikes on the roof. Whatever method you use to remind yourself, do so and avoid being one of those people who forgot they had bikes on the roof of the vehicle and drove into a carport or garage, causing serious damage to the bikes, car and building. It comes in handy too when you pull into a fast food place to order from the car. Some don’t have the clearance for bikes on the roof of a vehicle. Make sure you can clear before going under any overhang.
If you put wheels in their carriers, they’ll spin while driving. A bungee cord placed through the spokes will stop that. The most common error with placing bikes on a rack is to over tighten the quick release that holds the front fork. It only needs to be snug when the handle is engaged. Tighten the quick release enough to pull the lever back without forcing it to do so. If you bend the arm, the quick release won’t hold and you’ll have to replace it.
No matter how careful you are, there will be some nicks in the paint on your car over time. The worse possible thing is that you over tighten the clamps and damage the roof. Remember, just enough to hold it secure, more in this case is not better but expensive repairs.
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