GMA 4 Piston Millenium Front Brake Calipers 11.5 Inch for 1984-2007 Harley-Davidson
The GMA Millenium front brake caliper delivers four-piston stopping power to Big Twin and Sportster platforms long before factory multi-piston brakes were common. The result is a caliper that genuinely changes the front-end stopping character – firmer, more progressive, and better matched to the forces aggressive street riding demands.
Key Features
- Four-piston design delivers progressive, even clamping across the full pad face for reduced brake fade
- CNC-machined from 6061-T6 billet aluminum for strength and light weight
- Compatible with 11.5-inch rotors on dual-disc and single-disc Harley-Davidson front ends
- Available in Black and Chrome finish
- Fits 1984-2007 Harley-Davidson Big Twin and Sportster XL models across multiple configurations
Technical Specifications
- Piston Count: 4
- Rotor Size: 11.5 inch
- Material: 6061-T6 billet aluminum
- Finishes: Black, Chrome
- Made in: USA
Fitment Notes
- Fits 1984-1999 dual-disc and single-disc Big Twin and Sportster XL, and 2000-2007 single-disc models (except Springer and 2004-2007 XL)
- Select the correct model configuration (dual disc or single disc) before ordering – rotor and mounting requirements differ
- Requires 11.5-inch rotor – verify rotor size on your front end before ordering
- Review the Fitment tab for the complete year and model breakdown










Reviews
There are no reviews yet