Chain & Sprockets
- Converts OEM 525 drivetrain to full 520 setup
- Includes 520 front sprocket, rear sprocket, and chain
- Reduces rotational mass across the drivetrain
- Designed as a complete performance package
RK GB520XRE Sealed Racing Chain
- GB520XRE X-ring sealed chain
- Gold finish
- Rivet-style master link
- Built for supersport applications
- Balance of durability and reduced weight
Lightweight Aluminum Rear Sprocket
- Driven 7075-T6 aluminum construction
- Black hard anodized finish
- Significantly lighter than steel sprockets
- Reduces rotating mass for improved acceleration
Steel Front Sprocket
- Case hardened steel construction
- Maintains durability at the highest wear point
- Optimized for longevity and drivetrain reliability
Gearing & Performance
Quick Acceleration Setup
This kit is geared for aggressive acceleration and responsiveness.
- 15T front / 45T rear gearing
- Shorter than stock gearing for stronger drive
- Faster revving through each gear
- Improved drive out of corners and roll-ons
Stock vs This Kit
- Stock ZX-6R: 16T front / 43T rear — 525 chain
- This kit: 15T front / 45T rear — 520 chain
- Smaller front sprocket + Larger rear sprocket amplifies acceleration
- Combined gearing + weight reduction creates a noticeable performance gain
Real-World Riding Feel
- Stronger low and midrange pull
- Faster climb to redline
- More responsive throttle input
- Overall sharper, more aggressive ride character
Why Switch to a 520 Chain Over the Stock 525?
- Lighter chain reduces rotating mass
- The biggest performance gain comes from gearing changes, not just chain size
- The 520 setup enhances that effect by reducing drivetrain weight
OEM vs Performance Setup
- 525 chain (OEM): Heavier, longer lifespan, built for durability
- 520 chain (conversion): Lighter, more responsive, performance-focused
Clean Takeaway
- OEM = longevity and daily durability
- 520 conversion = sharper performance and quicker acceleration
Aluminum vs Steel Sprockets
Why Aluminum?
- Much lighter than steel
- Reduces rotational and unsprung weight
Tradeoffs
- Wears faster than steel sprockets
- Designed for performance use over maximum lifespan
Ideal Use
Best For
- Track riders and aggressive street riders
- ZX-6R owners looking for quicker acceleration
- Riders prioritizing performance over long-term mileage
Fitment
Compatible Models
- 2007–2026 — Kawasaki Ninja ZX-6R — Front / Rear
Specs
Technical Specifications
- Brand: RK
- Product Name: 520 Aluminum Race Chain and Sprocket Kit
- Chain Model: GB520XRE
- Chain Size: 520
- Seal Type: X-Ring
- Master Link: Rivet
- Front Sprocket Tooth Count: 15
- Rear Sprocket Tooth Count: 45
- Front Sprocket Material: Steel (case hardened)
- Rear Sprocket Material: 7075-T6 Aluminum (hard anodized)
- Color / Finish: Gold Chain / Black Rear
- Riding Style: Race / Performance
- Units: Kit
IMPORTANT: Please Review Your Owner’s Manual for Exact Amounts or Sizing of This Product!
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Quantity:
Earn $14.96 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:
RK-Excel
SKU:1230-1707
Description:RK ‘520 Aluminum Race’ Chain and Sprocket Kit Gold Kawasaki Ninja ZX-6R
Product Overview
This kit replaces the entire OEM drivetrain with a lightweight 520 conversion setup, featuring a 7075-T6 aluminum rear sprocket and RK’s premium GB520XRE sealed racing chain.
Key Technology & Design
520 Conversion System (Complete Drivetrain Replacement)
- Converts OEM 525 drivetrain to full 520 setup
- Includes 520 front sprocket, rear sprocket, and chain
- Reduces rotational mass across the drivetrain
- Designed as a complete performance package
RK GB520XRE Sealed Racing Chain
- GB520XRE X-ring sealed chain
- Gold finish
- Rivet-style master link
- Built for supersport applications
- Balance of durability and reduced weight
Lightweight Aluminum Rear Sprocket
- Driven 7075-T6 aluminum construction
- Black hard anodized finish
- Significantly lighter than steel sprockets
- Reduces rotating mass for improved acceleration
Steel Front Sprocket
- Case hardened steel construction
- Maintains durability at the highest wear point
- Optimized for longevity and drivetrain reliability
Gearing & Performance
Quick Acceleration Setup
This kit is geared for aggressive acceleration and responsiveness.
- 15T front / 45T rear gearing
- Shorter than stock gearing for stronger drive
- Faster revving through each gear
- Improved drive out of corners and roll-ons
Stock vs This Kit
- Stock ZX-6R: 16T front / 43T rear — 525 chain
- This kit: 15T front / 45T rear — 520 chain
- Smaller front sprocket + Larger rear sprocket amplifies acceleration
- Combined gearing + weight reduction creates a noticeable performance gain
Real-World Riding Feel
- Stronger low and midrange pull
- Faster climb to redline
- More responsive throttle input
- Overall sharper, more aggressive ride character
Why Switch to a 520 Chain Over the Stock 525?
- Lighter chain reduces rotating mass
- The biggest performance gain comes from gearing changes, not just chain size
- The 520 setup enhances that effect by reducing drivetrain weight
OEM vs Performance Setup
- 525 chain (OEM): Heavier, longer lifespan, built for durability
- 520 chain (conversion): Lighter, more responsive, performance-focused
Clean Takeaway
- OEM = longevity and daily durability
- 520 conversion = sharper performance and quicker acceleration
Aluminum vs Steel Sprockets
Why Aluminum?
- Much lighter than steel
- Reduces rotational and unsprung weight
Tradeoffs
- Wears faster than steel sprockets
- Designed for performance use over maximum lifespan
Ideal Use
Best For
- Track riders and aggressive street riders
- ZX-6R owners looking for quicker acceleration
- Riders prioritizing performance over long-term mileage
Fitment
Compatible Models
- 2007–2026 — Kawasaki Ninja ZX-6R — Front / Rear
Specs
Technical Specifications
- Brand: RK
- Product Name: 520 Aluminum Race Chain and Sprocket Kit
- Chain Model: GB520XRE
- Chain Size: 520
- Seal Type: X-Ring
- Master Link: Rivet
- Front Sprocket Tooth Count: 15
- Rear Sprocket Tooth Count: 45
- Front Sprocket Material: Steel (case hardened)
- Rear Sprocket Material: 7075-T6 Aluminum (hard anodized)
- Color / Finish: Gold Chain / Black Rear
- Riding Style: Race / Performance
- Units: Kit
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