With the E-Thru axle skewer, you can use an axle skewer to secure your mountain bike in the Tacx trainer. These axles are only suitable for the Tacx classic trainers. Separate axles are available for direct drive trainers and replace the standard axle skewer.

Suitable for hubs with a Maxle axle skewer attachment of 135×12, 142×12, 150×12 mm, and Trek ABP 142×12.