Wheels are 700c with 100/135mm QR spacing and center lock disc mounts. I believe the internal rim width is 19mm. You can easily get endcaps for the hubs in order to run thru axle, and making the swap does not require any special tools or knowledge.
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These wheels have around 2000 miles on them and have remained perfectly true the entire time. The hubs are still buttery smooth and freehub body only shows slight signs of wear.
Cassette and rotors are not included. WTB Riddler 700x37 tires are included for an additional $20.