Your thread width needs to be longer than the dropout it threads into. If not, your axle cannot be tightened down on your hub. It doesn’t really matter so much if your thread length is too long. If in doubt, order a thru axle with a longer thread than required.
When thru axles were first being used there was no standard for the threads. Different companies chose different thread pitches, including P1.0, 1.5 and 1.75. Thread pitch is simply the number of threads per centimeter (or inch). To this day, all three thread pitches are very common. The axle threads need to match the dropout threads perfectly in order for the axle to work. You can visit our HOW TO MEASURE section to see how to figure out the exact thread pitch you need.
All thru axles work like a normal bolt. Some have a lever, and some will require a hex wrench. To install, you push the bolt through your dropout and hub and turn clockwise until the axle is tight (10-15Nm). To remove, turn counterclockwise to unthread and then pull the axle out of the dropout. You can visit our HOW TO USE section to see more details.
No. The hub spec is designed to match the frame or fork dropouts. Because of the wide variety of dropouts, you will need to match the axle to the frame or forks dropouts, not the hub. For example, a 12x148 frame does NOT use a 148mm long axle.
If you have a ThruAxle.com axle, it will have a fitting for an M6 hex wrench on the other end of the axle (the threaded end). You can use this to unthread your broken axle. Remember that you will need to turn counterclockwise when threading from this end. If the axle does not have a fitting for a hex wrench on the thread side, you will need to visit your local bike shop for assistance.
Possibly. QR wheels cannot be used with thru axle frames or forks so you would need some sort of adapter kit. You will need to check with the hub or wheel brand to see if they offer a thru axle conversion kit for your hub.
If you are a shop or distributor interested in selling thruaxle.com products, please email us at email@example.com.
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