This is an adapter to fit an H4 led light on a Suzuki SV650.
The problem with the stock spring is that the led lamp can't be fixed adequately.
Just remove the stock spring and put this adapter!

Here's the led I've used
https://www.amazon.it/CICMOD-Motocicletta-H4-M3Plus-32W-6500K-Anteriore-Scooter/dp/B01LWIMADQ

Print Settings

Rafts: 

No

Supports:

No

Resolution: 

0.2 or 0.3

Infill:

15%

Category: Automotive