Gbrakes Wave Brake Rotor (GBD9017X) - Sportster 21-25

GBRAKES SKU: 17104990

$154.00

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Product Details

Description Specifications Fitment Part Numbers
  • Performance-engineered for improved cooling, lighter weight, and reduced brake fade under extreme conditions
  • Pioneering Wave® design enhances heat dissipation and provides reliable braking even during aggressive or extended use
  • Laser-cut and double-disc ground to ensure precise dimensions and ultra-flat braking surfaces for optimal performance
  • Ideal for high-performance street bikes, touring bikes, and off-road applications
  • Dirt bike rotors are Cryo-Tech™ treated to improve wear resistance by converting retained austenite to martensite for added structural integrity
  • Made from 420 high-carbon virgin stainless steel for maximum strength and longevity

Specifications — See Specifications tab for details per part number.

Fits Harley-Davidson: Sportster 21-25

See Fitment tab for complete model listing.

17104990 (GBD9017X)

Material 420 High-Carbon Stainless Steel
Outside Diameter 260 mm (10-1/4")
Outside Diameter Metric 260 mm
Color/Finish Silver
Model Wave®
Type One Piece (Fixed)
Outside Diameter Imperial 10-1/4"
Riding Style Street
Units Each
Mounting Position Rear
Product Name Brake Rotor

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 Number: 1710-4990 (17104990)
Manufacturer Part Number: GBD9017X

⚠️ California Proposition 65 Warning: This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Learn more .