Fitment

• 2015-2017 Yamaha FZ-07
• 2018-2019 Yamaha MT-07
• 2016-2018 Yamaha XSR700

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

Specs

• Series: HFRS
• Ratio: 3.00
• Front Sprocket Teeth: 15
• Rear Sprocket Teeth: 45
• Front Sprocket Type: Steel
• Rear Sprocket Type: Steel
• Chain Size: 520
• Chain Links: 108
• Chain Color: Black
• Chain Strength: 8500

Brand: Vortex Racing
Part Number: CK6445