Chain & Sprockets
- Includes 520 front sprocket, rear sprocket, and chain
- Converts from stock 525 to 520 system
- Reduces rotating mass compared to OEM drivetrain
- Designed as a complete matched performance package
Chain & Sprocket Compatibility
Chain and sprocket sizes must always match.
- 520 chain must be used with 520 sprockets
- 525 chain must be used with 525 sprockets
- Mixing sizes will cause improper fitment and premature wear
- This kit replaces everything to ensure proper compatibility
Vortex VX3 X-Ring Sealed Chain
Built for strong street performance with long service life.
- 520 VX3 X-ring sealed chain
- Designed to reduce friction and maintain lubrication
- Rivet-style master link included
- Rated at 36.5 kN / 8,210 lb tensile strength
Steel Sprocket Construction
Built for durability and real-world riding.
- Chromoly steel front sprocket
- High carbon steel rear sprocket
- Heat-treated for strength and longevity
- Designed to handle daily riding and aggressive use
Gearing & Performance
Stock-Based Gearing Setup
This kit retains a gearing setup that is very close to stock depending on generation, but paired with a lighter 520 drivetrain.
- Designed around a 16T front / 43T rear setup
- Focuses on balanced performance rather than aggressive gearing change
- Maintains familiar gearing feel with improved responsiveness
Stock vs This Kit
- 2007–2018 ZX-6R: 16T front / 43T rear — 525 chain
- 2019–Current ZX-6R: 15T front / 43T rear — 525 chain
This Kit:
- 16T front / 43T rear — 520 chain
What that means:
- On 2007–2018 bikes, gearing stays the same ? you mainly feel the 520 conversion
- On 2019+ bikes, this is effectively +1 front compared to stock ? slightly longer gearing
Real-World Feel
- Smoother, freer revving engine from reduced drivetrain weight
- Slightly more relaxed pull on 2019+ bikes due to taller gearing
- More stable feel in longer pulls and higher speeds
- Still noticeably more responsive than stock due to 520 conversion
This is a balanced setup, not an aggressive acceleration kit.
Why Switch to 520 Over the Stock 525?
Performance vs Durability Tradeoff
Kawasaki uses a 525 chain from the factory for durability and longevity. A 520 conversion shifts that balance toward performance.
- 520 chain is lighter and narrower
- Reduces drivetrain drag and rotating mass
- Improves throttle response and engine feel
- Common upgrade for sport and track riders
What Actually Makes the Difference
- The gearing determines how aggressive the bike feels
- The 520 conversion improves responsiveness and feel
- This kit focuses more on refinement and efficiency than aggressive gearing change
Why These Kits Are Popular
- Replaces worn drivetrain components as a full set
- Adds performance feel without drastically changing ride characteristics
- Ideal for riders who want improvement without going extreme
Ideal Use
- Street riding
- Daily riding
- Sport riding
- Riders replacing worn OEM drivetrain
- Riders who want improved feel without aggressive gearing
Fitment
- 2007–2026 — Kawasaki ZX-6R / ZX636
Specs
- Brand: Vortex
- Product Name: Chain and Sprocket Kit
- Chain Size: 520
- Chain Type: 520 VX3
- Seal Type: X-Ring
- Tensile Strength: 36.5 kN / 8,210 lb
- Front Sprocket Tooth Count: 16
- Rear Sprocket Tooth Count: 43
- Number of Links: 116
- Master Link Connector Type: Rivet
- Material: Steel Front & Rear Sprockets
- Color / Finish: Natural
- Riding Style: Street
- Units: Kit
IMPORTANT: Please Review Your Owner’s Manual for Exact Amounts or Sizing of This Product!
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Quantity:
Earn $11.25 in UBD Bucks
Fitment:
IMPORTANT: Please Review Your Owner’s Manual for Exact Amounts or Sizing of This Product!
We ship nationwide!
Questions?
Speak to one of our experts today:
469-490-3577
Speak to one of our experts today:
469-490-3577
Brand:
D.I.D
SKU:1230-0353
Description:Vortex Steel Chain & Sprocket Kit (520)
Product Overview
The Vortex 520 Steel Chain and Sprocket Kit is a complete drivetrain upgrade designed to improve acceleration, throttle response, and overall riding feel on the ZX-6R / ZX636 platform.
This kit converts the bike from the stock 525 setup to a lighter 520 system while maintaining a durable steel sprocket configuration. Unlike aggressive “quick acceleration” kits, this setup keeps a balanced gearing profile while still benefiting from the responsiveness and reduced rotating mass of a 520 conversion.
Key Technology & Design
520 Conversion System (Complete Replacement)
This kit replaces the entire OEM drivetrain with a matched 520 setup.
- Includes 520 front sprocket, rear sprocket, and chain
- Converts from stock 525 to 520 system
- Reduces rotating mass compared to OEM drivetrain
- Designed as a complete matched performance package
Chain & Sprocket Compatibility
Chain and sprocket sizes must always match.
- 520 chain must be used with 520 sprockets
- 525 chain must be used with 525 sprockets
- Mixing sizes will cause improper fitment and premature wear
- This kit replaces everything to ensure proper compatibility
Vortex VX3 X-Ring Sealed Chain
Built for strong street performance with long service life.
- 520 VX3 X-ring sealed chain
- Designed to reduce friction and maintain lubrication
- Rivet-style master link included
- Rated at 36.5 kN / 8,210 lb tensile strength
Steel Sprocket Construction
Built for durability and real-world riding.
- Chromoly steel front sprocket
- High carbon steel rear sprocket
- Heat-treated for strength and longevity
- Designed to handle daily riding and aggressive use
Gearing & Performance
Stock-Based Gearing Setup
This kit retains a gearing setup that is very close to stock depending on generation, but paired with a lighter 520 drivetrain.
- Designed around a 16T front / 43T rear setup
- Focuses on balanced performance rather than aggressive gearing change
- Maintains familiar gearing feel with improved responsiveness
Stock vs This Kit
- 2007–2018 ZX-6R: 16T front / 43T rear — 525 chain
- 2019–Current ZX-6R: 15T front / 43T rear — 525 chain
This Kit:
- 16T front / 43T rear — 520 chain
What that means:
- On 2007–2018 bikes, gearing stays the same ? you mainly feel the 520 conversion
- On 2019+ bikes, this is effectively +1 front compared to stock ? slightly longer gearing
Real-World Feel
- Smoother, freer revving engine from reduced drivetrain weight
- Slightly more relaxed pull on 2019+ bikes due to taller gearing
- More stable feel in longer pulls and higher speeds
- Still noticeably more responsive than stock due to 520 conversion
This is a balanced setup, not an aggressive acceleration kit.
Why Switch to 520 Over the Stock 525?
Performance vs Durability Tradeoff
Kawasaki uses a 525 chain from the factory for durability and longevity. A 520 conversion shifts that balance toward performance.
- 520 chain is lighter and narrower
- Reduces drivetrain drag and rotating mass
- Improves throttle response and engine feel
- Common upgrade for sport and track riders
What Actually Makes the Difference
- The gearing determines how aggressive the bike feels
- The 520 conversion improves responsiveness and feel
- This kit focuses more on refinement and efficiency than aggressive gearing change
Why These Kits Are Popular
- Replaces worn drivetrain components as a full set
- Adds performance feel without drastically changing ride characteristics
- Ideal for riders who want improvement without going extreme
Ideal Use
- Street riding
- Daily riding
- Sport riding
- Riders replacing worn OEM drivetrain
- Riders who want improved feel without aggressive gearing
Fitment
- 2007–2026 — Kawasaki ZX-6R / ZX636
Specs
- Brand: Vortex
- Product Name: Chain and Sprocket Kit
- Chain Size: 520
- Chain Type: 520 VX3
- Seal Type: X-Ring
- Tensile Strength: 36.5 kN / 8,210 lb
- Front Sprocket Tooth Count: 16
- Rear Sprocket Tooth Count: 43
- Number of Links: 116
- Master Link Connector Type: Rivet
- Material: Steel Front & Rear Sprockets
- Color / Finish: Natural
- Riding Style: Street
- Units: Kit
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