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Vortex Aluminum Rear Sprocket 420 — Black (405ZK)

Part # 405ZK-32
Item #405ZK-32
Fits 12 motorcycles
  • Kawasaki
    • AR50 · 1982–1983
    • AR80 · 1982
    • KLX 110 · 2002–2025
    • KLX 110L · 2010–2024
    • Z125 PRO · 2017–2025
  • Suzuki
    • DR Z110 · 2003–2005
    • GSX R50 · 1987
    • OR50 · 1979–1980
    • RM50 · 1978–1980
    • RM60 · 1979–1983
    • TM75 · 1974–1976
    • TS75 · 1975–1977
$55.21
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Vortex Aluminum Rear Sprocket 420 — Black (405ZK)
Product Details

Vortex aluminum rear sprockets are 100% CNC-machined performance replacements covering 520 and 530 chain pitches, offered in black and red anodized finishes. A unique tooth design and weight-saving cutouts deliver reduced rotating mass over stock steel sprockets.

  • 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 red; covers 520 and 530 chain pitches

Spec: Pitch: 420 · Teeth: 32 · Material: Aluminum · Color: Black

Fitment

Kawasaki: AR50 1982–1983 · AR80 1982 · KLX 110 2002–2025 · KLX 110L 2010–2024 · Z125 PRO 2017–2025

Suzuki: DR Z110 2003–2005 · GSX R50 1987 · OR50 1979–1980 · RM50 1978–1980 · RM60 1979–1983 · TM75 1974–1976 · TS75 1975–1977

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