Twisted Choppers Internal Fender Support Struts Hidden Passenger Mount 18-Inch Wheel 1/4-Inch Steel
Carry a passenger with confidence without adding visible hardware to your custom build. Twisted Choppers Internal Fender Support Struts mount completely inside the fender, keeping your build profile clean and uncluttered while providing the structural strength needed for 2-up riding on custom choppers and bobbers.
Key Features
- Mounts completely inside the fender – eliminates external support hardware for a clean, streamlined custom build profile
- Fabricated from 1/4-inch thick American steel, 1 inch wide, for maximum structural rigidity under passenger load
- Contoured to follow an 18-inch wheel radius – designed to fit inside Twisted Choppers radius-style fenders
- Provides a hidden mounting point for passenger seats and 2-up riding configurations
- Made in the USA
Technical Specifications
- Material: American steel
- Thickness: 1/4 inch
- Width: 1 inch
- Wheel Radius: 18-inch
- Application: Internal passenger seat support
- Origin: Made in the USA
Fitment Notes
- Designed to fit inside Twisted Choppers radius-style fenders only
- Follows an 18-inch wheel radius – verify your fender radius before ordering
- Not designed for external fender mounting or non-radius fender styles
- Review the Fitment tab for complete compatibility information





Danny W. –
Heavy duty, great for a passenger and a hidden look