Description
- Full-floating oversize brake rotor design
- Bolt-on design works with the stock hub pattern
- Made from high-carbon 420 stainless steel
- Laser-cut (never stamped) design is double-disc parallel ground to ensure perfect flatness
- Heat-treated for each specific application
- Brake caliper relocation brackets not included.
- For maximum braking performance and rotor longevity, GBrakes recommends using GBrakes brake pads with GBrakes rotors.
Specifications — See Specifications tab for details per part number.
Fits Harley-Davidson: Sportster 21-25
See Fitment tab for complete model listing.
Specifications
17104988 (GBD9015X)
| Material | 420 High-Carbon Stainless Steel |
| Mounting Position | Front |
| Outside Diameter Imperial | 12-1/2″ |
| Units | Each |
| Riding Style | Street |
| Color/Finish | Silver |
| Product Name | Brake Rotor |
| Type | One Piece (Fixed) |
| Bolt Pattern | 5 Hole |
| Style | Solid-Mount |
| Outside Diameter Metric | 318 mm |
| Model | Wave® |
Fitment
GBrakes, also known as G Brakes, is the new name for Galfer and Galfer USA — rebranded in 2025.
21-25 RH1250S Sportster S
Compatible Models: RH1250S Sportster S
Part Numbers
Part Number: 1710-4988 (17104988)
Manufacturer Part Number: GBD9015X
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