Question: What is a through axle on a mountain bike?

What is a thru-axle on a mountain bike? A thru-axle (TA) is a wheel attachment system that secures a wheel on a hub between a pair of dropouts on a bicycle frame or fork. The thru-axle threads directly through the fork/frame holes and into the wheel hub, which makes the wheel secure from detaching.

What is the difference between quick release and thru axle?

Thru axles attach the wheels more securely and reduce the likelihood of wheel attachment caused by human error. Quick release axles allow for more flex in the front end of the bike, which hurts handling- Disc brakes can cause the fork arms to flex.

What is the advantage of a thru axle?

Thru-axles increase the rigidity of the wheel-frame interface and allow more accurate wheel placement. This is particularly important for brake discs, where small pad clearances mean that a slight misalignment will cause rubbing. They also eliminate the risk of the wheel coming loose from the quick-release dropouts.

Are thru axles better?

Thru axles takes the industry by storm

So instead of u-shaped dropouts, they designed dropouts with holes and beefed up the axle. The thru axle threads directly through the fork holes and the wheel hub. This makes it nearly impossible for the wheel to detach. … Thru axles are safer and improve bike performance.

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Does my bike have a thru axle?

Your bike has a thru axle if the “drop out” is a hole, rather than a U-shaped dropout. This provides added security because even if the lever on the end of the thru axle flips open, it is still threaded into the frame, holding your wheel on. … If you have a 12mm threaded piece, then you have a thru axle.

What is 12mm thru axle?

Example of how to measure Thru Axle specifications.

From this specification we know 142mm is the hub width (or frame spacing) and 12mm is the diameter of the axle.

Can I convert quick release to thru axle?

If it’s a front hub and your fork uses a QR, you can buy a new thru-axle hub and an adapter that lets you use a thru-axle hub in a QR fork. About $15 for the adapter. This will give a fractionally better bit of firmness, but primarily, if you change your fork down the road, you can get one with thru-axle.

Are through axles stiffer?

The through-axles create a more rigid system, especially at the front fork. The front forks themselves are often stiffer also to deal with the additional forces of disc braking. … The main reason for through-axle on road bikes is to resist the higher forces generated by disc brakes.

How tight should my axle be?

You want your rear axle very tight. 150 in/lb is about standard. If it is not tight it will allow the rear wheel to move around and it ties your rear triangle together. Basically the whole back of the bike will feel sloppy.

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Is thru axle better than QR?

The solid through axle will be much stronger than your old QR axle.

How do thru-axles work?

A thru-axle (TA) is a wheel attachment system that secures a wheel on a hub between a pair of dropouts on a bicycle frame or fork. The thru-axle threads directly through the fork/frame holes and into the wheel hub, which makes the wheel secure from detaching.

Should you grease through an axle?

Dont grease your thru axle. You want the wheel spinning on the bearings, not the bearings spinning on the axle.

Are bike axles universal?

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.

What size is a quick release axle?

A quick release wheel has a hollow axle, 9mm in diameter at the front and 10mm at the rear, with a 5mm diameter skewer that passes through it.

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