Harley-Davidson Pulley / Wheel Alignment Tool

This set is a simple device for precise rear wheel alignment and reproducible belt tension adjustment.
It uses a continuous M5 threaded rod as a reference axis and defines fixed measuring points on the rear axle and swingarm. This eliminates "guessing" the position – both sides can be compared exactly.

The adapters are screwed onto an M5 threaded rod.

• One side is V-shaped and self-centers on the axle
• The other side has a movable measuring sleeve for fine adjustment

Additionally, there are suitable adapters for:

• Rear axle (left Ø 16.9 mm / right Ø 13.3 mm)
• Swingarm axle (left Ø 8.1 mm / right two-part for Allen key)

Attention: Model was only tested on an FXFBS (Fat-Bob 114), check the axle diameters on your Harley before printing!

Required parts (not printed)

• 1× M5 threaded rod (~600 mm length, M5 mandatory)
• 3× M5 nuts
• 1× M4 x 8 screw (flat head, for two-part right swingarm adapter)

Usage

1. Screw the adapters onto the threaded rod as shown in the pictures
2. Insert the left/right, front, and rear axle adapters into the axles
3. Adjust one side correctly (mind the belt tension)
4. Place the measuring rod and position & fix the measuring sleeve accordingly
5. Now attach the measuring rod to the opposite side and adjust the alignment so that the same distance is maintained here
6. Tighten the axle nut again with the specified torque

The system ensures that the alignment is reproducible and symmetrical.

Disclaimer

Use is at your own risk.
I assume no liability for damage to the vehicle, components, or for consequential damages resulting from the application, misuse, or improper use of this model.
Before use, ensure that all work is carried out professionally.