Vortex
Back to Sprockets

Vortex Aluminum Rear Sprocket 520 — Black (511ZK)

Part # 511ZK-38
Item #511ZK-38
Fits 17 motorcycles
  • Kawasaki
    • KLX400 · 2003
  • Suzuki
    • DR Z250 · 2001–2007
    • DR Z 400 E · 2000–2007
    • DR Z 400 S · 2000–2025
    • DR Z 400 SM · 2005–2025
    • DR Z4S · 2025–2026
    • DR250 · 1990–1993
    • DR350 · 1990–1999
    • DR 350 SE · 1996–1999
    • RM Z 250 · 2007–2026
    • RM Z 450 · 2005–2025
    • RM 125 · 1980–2009
    • RM 250 · 1983–2012
    • RM Z 250 · 1982
    • RMX250 · 1989–1998
    • RMX450 · 2010–2019
    • RS175 · 1980–1982
$67.11
/
Shipping calculated at checkout.
Teeth
  • Low stock - 1 item left
  • Backordered, shipping soon
  • Flat $10 U.S. shipping, free over $100
  • Ships from one of three U.S. warehouses
  • Secure checkout
Vortex Aluminum Rear Sprocket 520 — Black (511ZK)
Product Details

Vortex aluminum rear sprockets are 100% CNC-machined performance replacements that reduce rotating mass compared to stock steel, available in 420 and 525 chain pitches in black and silver anodized finishes. A unique tooth profile and weight-saving cutouts make them a straightforward drivetrain upgrade for street and track riders.

  • 100% CNC-machined aluminum for improved concentricity over cast or stamped alternatives
  • Lightweight construction reduces rotating mass compared to OEM steel sprockets, supporting faster acceleration response
  • Unique tooth design extends sprocket service life
  • Weight-saving cutouts further reduce rotating weight
  • Anodized finish in black and silver; covers 420 and 525 chain pitches

Spec: Position: Rear · Teeth: 38 · Material: Aluminum · Finish: Black · Chain Pitch: 520

Fitment

Kawasaki: KLX400 2003

Suzuki: DR Z250 2001–2007 · DR Z 400 E 2000–2007 · DR Z 400 S 2000–2025 · DR Z 400 SM 2005–2025 · DR Z4S 2025–2026 · DR250 1990–1993 · DR350 1990–1999 · DR 350 SE 1996–1999 · RM Z 250 2007–2026 · RM Z 450 2005–2025 · RM 125 1980–2009 · RM 250 1983–2012 · RM Z 250 1982 · RMX250 1989–1998 · RMX450 2010–2019 · RS175 1980–1982

You may also like