Which Type of Axle Do I Have on My Tacx Trainer?

Tacx direct-drive trainers will come in two different axle types. Recently manufactured trainers will be a Type 2 trainer. Trainers manufactured before this change can be a Type 1. After you determine which Axle Type your trainer has, you can determine which cassette body you will need .

_{^*NEO 2, FLUX S and FLUX 2 trainers have been manufactured using both Type 1 and Type 2 axles.}

How Do I Determine Which Type of Axle My Trainer Has?

If you have a NEO 2, FLUX S, or FLUX 2, choose one of the three identification methods to determine which axle type your trainer has:

Observe the Surface of the Axle Endcaps Included With Your Trainer

• Type 1: All black end caps. No letters or numbers.

   

• Type 2: End caps are labeled with white letters and numbers.

   

Identify the Part Number on the Cassette Body Installed on the Trainer Out of the Box

Tacx direct drive trainers come with a Shimano/SRAM freehub body out of the box. To determine whether you trainer is a Type 1 or Type 2, observe the part number listed on the cassette body. 

NOTE: If you have a cassette installed on your trainer, you will first need to remove the cassette using a lock ring tool and chain whip in order to read the part number.

Type 1: T2805.01 (S):

Type 2: T2875-01:

Measure the Inside Diameter of the Trainer Axle With the Cassette Body Removed Using a Caliper Tool

• Type 1: 6mm or 9mm

• Type 2: 12mm

Which Cassette Body Do I Need for My Trainer?

Direct-drive trainers come with a SHIMANO/SRAM cassette body out of the box. If you need a different or replacement cassette body, the cassette bodies below are available for purchase: