Vortex Black HFRS 520SX3-120 Chain and Sprocket Kit 15-48 Tooth - CK6438


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  • 2011-2017 Yamaha FZ-6R

HFRS “Hyper Fast” 520 Conversion Street kit with laser cut steel rear sprocket. Gearing one down in front, two up in rear, SX3 Vortex Chain.

Vortex Steel Front Sprocket

  • Drilled lightening holes reduce rotating mass
  • High carbon steel for maximum strength
  • Special Vortex Nichel plating to resist corrosion
  • Induction hardened to reduce surface wear
  • Precise tolerances to ensure concentricity

Vortex Steel Rear Sprocket

  • Black satin electro-plated finish to resist corrosion
  • Manufactured from carbon steel
  • Ideal Tooth Design for perfect chain hold and release
  • Each sprocket is cupped down from the tooth ring to the body to reduce as much weight as possible
  • Maximum wear resistance. Hardened teeth ensure that the sprocket will hold up to many miles without affecting strength
  • Precision manufactured and induction hardened to precise tolerances.

Vortex SX3 Chain

  • Drilled links reduce rotating mass
  • X-ring seals to reduce friction
  • Improved tensile strength
  • Includes rivet type connecting link


  • Series: HFRS
  • Ratio: 3.20
  • Front Sprocket Teeth: 15
  • Rear Sprocket Teeth: 48
  • Front Sprocket Type: Steel
  • Rear Sprocket Type: Steel
  • Chain Size: 520
  • Chain Links: 120
  • Chain Color: Black
  • Chain Strength: 8500

Brand: Vortex Racing
Part Number: CK6438

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