What does 142×12 mean?

12 mm is the axle diameter, 142 mm refers to overall shoulder to shoulder width of hub (end cap to end cap) Cassette and disc rotor are in the exact same relation to the hub’s centerline as a standard 135 mm QR hub.

Can I convert 12mm thru axle to quick release?

This product converts 12mm thru-axle hub to standard 9mm quick release. Tool-free installation, just insert the adapter into the thru axle hub. Both sides of the product are provided with a rubber ring, which is not easy to be shaken after installation. It plays the role of protection.

Can you convert a QR hub to thru axle?

If you’re fortunate enough to have a newer hub though, it’s simply a matter of popping off the QR end caps and installing the correct thru axle end caps for the fork you’re using. This adapter from Problem Solvers will allow you to mount a 12mm thru axle hub in a QR fork, but not the other way around.

What is 142x12mm thru axle?

A “Standard” 142x12mm Thru Axle can vary in length between 162mm and 171mm depending on the frame manufacturer. Type of attachment seat used at the interface where the skewer mates to the frame or fork. Thru Axles thread directly into frames/forks which eliminates the need for a nut.