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Maintenance and Care for a FLUX Series Smart Trainer

FLUX Smart trainers are designed to be maintenance free. Over time it is possible for the trainer to generate a bit of noise. This FAQ is designed to solve most noise related issues.

Free Hub Greasing

A crackling sound when riding can be due to the axle and cassette body needing to be greased using the process outlined below:

Tools Needed:

  • 5mm Allen Wrench Key

  • Grease

Step 1:

Use the 5mm Allen Wrench key to remove the free hub (including the cassette) from your bike trainer.

The free hub and cassette can be removed together. 

Insert allen key as shown and remove cassette
Step 2:
Remove the black cylinder from the axles and grease the inside and outside.Remove black cylinder and grease with brush.

Step 3:

Place the cylinder back inside the free hub and re-assemble the free hub and cassette on the bike trainer.

Make sure the cassette and free hub are tightly secured.

Black cylinder next to free hub, then inserted into the free hub