Difference between Campagnolo quick release skewers

Asked by: Craig Keita

Are all quick release skewers the same size?

Generally speaking, the answer is no. Not all skewers are compatible with all quick release wheels. There are different diameters and widths of skewers. Notably, many downhill bikes have beefier skewers that are built with a much larger diameter to be more durable.

How do I know what size skewer I need?

Diameter: the skewer must fit inside the hollow hub axle. You may measure either the inside diameter of the axle, or the diameter of the present skewer. Most axles use a 5mm thick skewer. Skewers for wheels made for suspension forks may be 9mm (front) and 10mm (rear) in diameter.

Are quick release skewers safe?

However, you should always check for yourself that the skewers on your bike are safe. The Shimano Dura Ace 9000 quick release is the best you can get. If we were to recommend just one quick release, the Dura Ace 9000 would be it.

Do quick release skewers wear out?

If those grooves are worn out, they will not ensure that grip and permanent footprint. So, this is what needs to be checked regularly. If they’ve flattened out, the skewer should be replaced.

How do you choose a quick release skewer?

When choosing a quick-release the most important things to note are skewer diameter, skewer length, materials and cam type. Skewer diameter: For most standard road and MTB bikes, the wheel hubs will accommodate standard 5mm skewers.

How tight should quick release skewers be?

It should be tight enough that it requires some force to get it closed, but not so much that you feel like you’re giving birth. The closed QR lever should come be positioned before or after the fork in the front and between the chain stay and seat stay of the rear triangle, or just below the chain stay.

How do you measure a quick release hub?

Quote from video: On your chair push the quick-release pin all the way through. And then measure the distance from the hub to the ball bearing.

Can I use quick release to thru axle?

Quote from video: That allows you to use a quick release skewer. On a thru axle. Wheel. It works very simply i know some other brands make these basically all that you have to do is slide this adapter into the hub.

What size is my thru axle?

For a front thru-axle, this is measured from the inside to inside of your fork. For a rear thru-axle, this is measured from the inside to inside of your frame at the drop-outs. The O.L.D. measurement is listed for many thru-axles, but isn’t necessary if you know the overall length.

Does it matter which side quick release is on?

Quote from video: Now part of them looking cool they actually do this for a reason when they need to remove their front wheel it's the position that allows the lever to be the most easily opened. This is particularly

Why does my quick release keep coming loose?

The repeating animation to the right shows how the quick release is closed to tighten the wheel in the fork/frame. Notice that it is flipped over on itself 180 degrees. If you do this and the quick release doesn’t feel tight, or if the wheel is still loose, you need to adjust the quick release’s tension.

How do I stop quick release wheels being stolen?

A great way to ensure that your wheels are safe from theft is to employ a set of security skewers. These will replace your existing quick release or bolt on skewers.

Which side is QR skewer?

Quick Release Tips



The quick-release levers should be on the non-drive side of the bike. Quick releases must be tight and fully closed to ensure safety.

Are all thru axles the same?

That information is good, but it’s not all that we need. Thru axles vary in length, width, seat type (is the end cone-shaped or flat?) and thread pitch/length. It screws directly into the frame or fork, so the thru axle has to have the right distance between threads (thread pitch) as the bike.

Can you use quick release on disc brakes?

In the case of the mechanical disc brake you don’t need to worry about anything. You can open the quick release and remove the wheel with no other issues. For hydraulic disc brakes, you only need to take care not to squeeze the brake lever if the wheel is not in place in the bikes caliper.

What is the diameter of a QR skewer?

9x100mm front and 10x135mm rear are essentially the industry standards for QR. That 5mm you’re measuring is the diameter of the QR skewer itself. 9mm and 10mm are the diameters of the axles that the skewers fit through.

How do I know what size axle I need for my bike?

Measure the straight length of your axle shaft. Do not include the axle head or tapered spacer, if there is one. Axle length is not the same as hub length. A bike with a 12×142 hub standard will have a significantly longer axle since it will have to go through the frame on both sides of the 142mm wide hub.

How do you replace quick release bolts?

Quote from video: Tapping the axle with a mallet will push the shoulder. Against the smaller baron race forcing it and the bearing. Out of the hub container with the axle out of the hub.

What does 9mm QR mean?

9mm QR is the standard (but maybe not for long) front wheel retaining system that has been used for many years. QR stands for quick release. 9mm is the size of the skewer that goes through the front hub. Then you have 15mm and 20mm.

Is 15mm thru axle better than QR?

The end result is a stiffer front end and the elimination of brake rub. Plus, by adding a camming mechanism (like the QR lever) you can still remove your wheel quickly. Thru axles are safer and improve bike performance. It’s no wonder that the QR skewer is quickly disappearing from competition level MTBs.

Can I use quick release to thru axle?

Quote from video: That allows you to use a quick release skewer. On a thru axle. Wheel. It works very simply i know some other brands make these basically all that you have to do is slide this adapter into the hub.