E-Thru axle skewers allow you to put your bike in the Tacx® trainer. Axles are only compatible with Tacx classic trainers. Separate axles are available for direct drive trainers, and they replace the standard axle skewer.
T1709 E-Thruadapter X-12 (>142 mm) - suitable for hubs with axle skewer 142 × 12 mm.