Description
OG 13″ Complete Radial Big Brake Kit for Dyna — Single or Dual Disc
Original Garage Moto presents the OG 13″ Complete Radial Big Brake Kit — a complete, performance-focused radial brake upgrade for Harley-Davidson Dyna models and the Sport Glide (FLSB). Built around Brembo M4 Monobloc radial calipers and Galfer 13″ oversize floating wave rotor(s), this kit delivers precise, consistent, fade-resistant braking for riders who demand top-tier performance. Designed for use with stock lowers for conventional and inverted front ends. Available for Single or Dual disc configurations.
Key benefits
- Precision and fade resistance from Brembo M4 Monobloc radial calipers for consistent performance under load
- Galfer 13″ oversize floating wave rotor(s) for improved cooling and reliable stopping
- CNC-machined 6061-T6 radial bracket available in multiple finishes for strength and clean fitment
- Customizable radial billet spacer colors to match your build
- Complete kit hardware included (ARP hardware)
- Available in Single or Dual disc setups and compatible with ABS
What’s included
- Brembo M4 Monobloc radial calipers
- Galfer 13″ oversize floating wave rotor(s)
- CNC machined 6061-T6 radial bracket (multiple finishes available)
- Custom radial billet spacers (color options)
- ARP hardware
Compatibility & notes
- Fits most 2000-2017 Harley-Davidson Dyna models with hub-mounted rotor(s) front wheel and fits 2018-2020 Harley-Davidson Sport Glide (FLSB)
- Compatible with ABS
- Requires brake line replacement — line length depends on routing, front-end setup and ride height
- For optimal performance we recommend using the OG Moto Brembo Radial RCS Brake Master Cylinder for 1″ handlebars: use the 19 RCS on Dual disc setups and the 15 RCS on Single disc setups
Installation Instructions (PDF)
If you have questions about fitment or installation, contact Original Garage Moto before ordering.
Fitment
Fits most 2000-2017 Harley-Davidson Dyna models with hub-mounted rotor(s) front wheel.
Fits 2018-2020 Harley-Davidson Sport Glide (FLSB).
Compatible with ABS.
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