- Conventional Street kit with laser-cut steel rear sprocket
- Gearing one down in front, two up in rear
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Vortex
SKU: 1230-1154
Conventional Street kit with laser-cut steel rear sprocketGearing one down in front, two up in rear Yamaha -- YZF-R1 -- (2001, 2003, 2002, 1998, 2000, 1999)
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Vortex
SKU: 1230-1207
Stock gearing with laser cut steel rear sprocket Yamaha -- YZF-R1 -- (2019, 2021, 2020, 2015, 2017, 2016, 2018); Yamaha -- YZF-R1 M -- (2015, 2016, 2020, 2017, 2018, 2019, 2021)
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Vortex
SKU: 1230-1124
Stock gearing with laser cut steel rear sprocket Yamaha -- YZF-R1 -- (2010, 2012, 2011, 2013, 2014, 2009)
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DID
SKU: 1230-0385
Low Friction X-Ring? ChainChromoly Steel Front SprocketHigh Carbon Steel Rear SprocketThe X-Rings twist between the side plates instead of being squished to reduce friction and minimize power...
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Vortex
SKU: 1230-1123
Conventional Street kit with laser-cut steel rear sprocketGearing one down in front, two up in rear Yamaha -- YZF-R1 -- (2010, 2012, 2011, 2013, 2014, 2009)