S28 lock nut for Pilo D766 Viper Fiery derailleur hanger.
- Axle thread M12x1.75
- Bolt M4x20mm included.
Made by Pilo.
For any questions please e-mail us:
To be sure if this the right part, please send us photos of:
1. Your derailleur hanger from both sides;
2. And if possible bike‘s frame part photos, where dropout was attached.