Vortex

Conventional Street kit with laser-cut steel rear sprocketGearing one down in front, two up in rear Yamaha -- YZF-R1 -- (1999, 2000, 1998, 2002, 2003, 2001)

Conventional Street kit with laser-cut steel rear sprocketGearing one down in front, two up in rear Suzuki -- GSX-R 750 -- (2006, 2007, 2009, 2008, 2010)

Conventional Street kit with laser-cut steel rear sprocketGearing one down in front, two up in rear Suzuki -- GSX-R 750 -- (2003, 2000, 2002, 2001); Suzuki -- GSX-R 1000 -- (2006, 2004, 2003, 2001,...

Conventional Street kit with laser-cut steel rear sprocketGearing one down in front, two up in rear Kawasaki -- Ninja ZX-10R ABS -- (2012, 2013, 2015, 2019, 2017, 2014, 2018, 2011, 2016, 2020);...

Conventional Street kit with laser-cut steel rear sprocketGearing one down in front, two up in rear Suzuki -- GSX-R 750 -- (2020, 2014, 2011, 2016, 2013, 2015, 2012, 2021, 2017, 2018, 2019)

Stock gearing with laser cut steel rear sprocket Kawasaki -- EX650 Ninja 650 -- (2014, 2017, 2013, 2016, 2019, 2018, 2015, 2012, 2021, 2020); Kawasaki -- Z 650 ABS -- (2018, 2019, 2020, 2021, 2017);...

Conventional Street kit with laser-cut steel rear sprocketGearing one down in front, two up in rear Kawasaki -- EX650 Ninja 650 -- (2014, 2017, 2013, 2016, 2019, 2018, 2015, 2012, 2021, 2020);...

Stock gearing with laser cut steel rear sprocket Yamaha -- YZF-R3 -- (2020, 2021, 2018, 2015, 2017, 2016, 2019)

Conventional Street kit with laser-cut steel rear sprocketGearing one down in front, two up in rear Kawasaki -- ZX 600R Ninja -- (2009, 2012, 2011, 2010); Kawasaki -- ZX 600P Ninja -- (2008, 2007);...

Conventional Street kit with laser-cut steel rear sprocketGearing one down in front, two up in rear Honda -- CBR600RR -- (2012, 2017, 2011, 2015, 2009, 2016, 2019, 2010, 2008, 2018, 2007, 2013, 2014,...

Conventional Street kit with laser-cut steel rear sprocketGearing one down in front, two up in rear Yamaha -- YZF-R6 -- (2002, 2001, 1999, 2000)

Conventional Street kit with laser-cut steel rear sprocketGearing one down in front, two up in rear Yamaha -- YZF-R6 -- (2010, 2005, 2004, 2007, 2009, 2006, 2003, 2008); Yamaha -- YZF-R6 S -- (2010,...