The Tacx T2835/2840 thru axle adapter is required to attach a Tacx Neo/Flux Smart direct drive trainer to your bike with thru axle.

Details: For bikes with thru axle

T2835 model: for 142 x 12 mm frames and BOOST 148x12 mm (in combination with a 1 mm and a 5 mm spacer supplied with the direct drive trainer).
T2840 model: for 135 x 10 mm Thru Bolt
Please make your choice.

Compatible Tacx trainers:
Tacx Neo Smart T2800
Tacx Neo 2 Smart T2850
Tacx Flux Smart T2900
Tacx Neo 2T Smart T2875 delivered before the fourth quarter of 2019
Tacx Flux 2 Smart T2980 delivered before the fourth quarter of 2019
Tacx Flux S Smart T2900S delivered before the fourth quarter of 2019