Vortex® 435ZK-50 - Rear Lightweight CAT5 Aluminum Racing Sprocket

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Vehicle Fitment

KawasakiEX500 1987-1993
Ninja 250R 1988-2012
Ninja 300 2013-2017
Ninja 400 2018
Ninja 500 1994-1996
Ninja 500R 1997-2009
Ninja 600R 1985-1997
Zephyr 550 1990-1993
ZR550 Zephyr 1994
ZZR250 1990-1991
SuzukiGSX-R1000 2009-2018
GSX-R600 2001, 2011-2018
GSX-R750 2011-2020
GSX-S1000 2015-2018
GSX-S750 2018
YamahaFJ-09 2016-2017
FZ-07 2015-2017
FZ-09 2014-2017
FZ-10 2017
FZ1 2001-2015
FZ6 2004-2009
FZ6S 2009
MT-07 2018-2021
R1 1998-2014, 2016-2018
R3 2015-2019
R6 2000, 2003-2020
R7 1999
XJR1300 1999-2015
XSR700 2016-2021
XSR900 2016-2021

Product Details

Rear Lightweight CAT5 Aluminum Racing Sprocket (435ZK-50) by Vortex®. Pitch: 520. Tooth Quantity: 50. Finish: Black. Vortex utilize the same proven Vortex design with color anodizing that excludes Vortex sweeps, mud grooves and teeth. The result is a flash of color with silver highlights. Utilizes the same proven Vortex design with a color anodize that excludes Vortex sweeps, mud grooves and teeth. 100% CNC-machined. Saber tooth grooves.


Material: Aluminum
Side: Rear
Pitch: 520
Tooth Quantity: 50
Finish: Black


  • 100% CNC manufactured in the USA
  • Specially formulated alloy per Vortex specifications
  • Contrasting silver machine cuts
  • Unique tooth design increases sprocket longevity
  • Vortex patented sprocket design is unlike any other sprocket
  • Designed to serve the motorsport market
  • Reliable and secure solution for your racing needs
  • Expertly engineered to win and last for years ahead

For nearly 20 years, U.S.-based Vortex® continues to manufacture, market and sell top-quality motorcycle racing components for Motocross, Supercross, Road Racing, Flat Track Racing and Minibikes. Owned and operated by motorcycle racers and enthusiasts, Vortex focus on absolute quality. Each of Vortex race components is made to the tightest tolerances with the best quality materials in the industry. Vortex test on the track with direct feedback from top professional race teams worldwide.

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Vortex® 435ZK-50 - Rear Lightweight CAT5 Aluminum Racing Sprocket

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