Vortex Aluminum Rear Sprocket 520 (511)

Name: Vortex Aluminum Rear Sprocket 520 (511)
Brand: Vortex
SKU: 511ZK-36
Price: 67.11 USD
Availability: InStock

Part # 511ZK-36

Item #511ZK-36

Fits 18 motorcycles

Kawasaki
- KLX400 · 2003
Suzuki
- DR 350 SE · 1996-1999
- DR-Z 400 E · 2000-2007
- DR-Z 400 S · 2000-2025
- DR-Z250 · 2001-2007
- DR-Z400 SM · 2005-2025
- DR-Z4S · 2025-2026
- DR250 · 1990-1993
- DR350 · 1990-1999
- RM 125 · 1980-2009
- RM 250 · 1982-1983
- RM 250 · 1987-2012
- RMX250 · 1989-1998
- RMX450Z · 2010
- RMX450Z · 2017-2019
- RMZ250 · 2007-2026
- RMZ450 · 2005-2025
- RS175 · 1980-1982

$67.11

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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

Specifications

Position	Rear
Chain Pitch	520
Teeth	38
Material	Aluminum
Finish	Black
Best For	Street, Track

Verified from Garamoto’s catalog & fitment data.