Got a newer bike with 12mm thru-axles but an older Tacx smart trainer? This adapter kit is exactly what you need to make them work together. It's designed for the Tacx FLUX (first gen), FLUX 2, FLUX S, and NEO trainers that originally came with a 5mm quick release system. Basically, it lets you connect your modern thru-axle bike to the trainer securely. Super important note: if you have a newer Tacx FLUX 2T or NEO 2T, this kit already comes in the box, so you might not need it. The installation is straightforward if you're handy with your bike. No more compatibility headaches – just set it up and get back to your indoor training sessions. A must-have accessory for cyclists who want to use their thru-axle bikes on these popular trainers. Makes life so much easier!
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