Your bike has a thru axle if the drop out is a hole rather than a u shaped dropout.
Thru axle bike frame.
Most thru axles are described by four measurements and you might see them described something like this.
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However thru axles are different than a skewer because rather than using a camming mechanism to hold the wheel on a thru axle threads directly into your bike frame.
Thru axles for bikes.
You can see more details about these measurements below.
The 2020 upgrade 29er carbon mountain bikes hardtail frame with interchangeable qr thru axle.
We upgrade the seat tube to a lower position so you could ride more comfortable in xc.
12mm and 15mm thru axles.
And with a rigid fork the thru axle crown and legs together form a.
Some thru axles have a cam looking lever and some are lower profile and bolt on.
The diameter of the thru axle.
A thru axle is also the only way an upside down fork like a manitou dorado or a maverick or a motorcycle fork will work.
Early cyclocross bikes borrowed the 15mm front thru axle diameter but as disc brakes became more common on drop bar bikes they all standardized to 12mm.
In this example 15mm is the diameter 100mm is the o l d 127mm is the overall length and 1 5mm is the thread pitch.
When mountain bikes first went to thru axles the standard was 12 142 which was the same effective width as the quick release hubs they replaced.
15 x 100mm 127 length 1 5.