Pro-tek For Yamaha YZF-R6 Front Sprocket 520 Pitch 14T 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 & 2022 2023 2024 YZFR6 520 Pitch Conversion

Description

• 520 Pitch (1/4" chain roller) 4140 nickel-chromoly steel front sprocket
• Available in three tooth sizes - 14T, 15T, 16T
• Case hardened to Rc 58-60 and Silver Zinc Plated to protect from corrosion
• Lightened with drilled holes to save on rotating mass
• 100% CNC machined instead of gear hobbing to guarantee accurate tooth profiles

This Pro-tek 520 Pitch (1/4" chain roller width) 14 tooth front sprocket is completely CNC machined to exact tolerances from 4140 nickel-chromoly steel resulting in accurate tooth profiles.

This sprocket is available in three tooth sizes - 14T,15T, 16T.

This sprocket is Not gear-hobbed like other sprockets insuring that the teeth fit precisely on the chain rollers which insures maximum chain and sprocket life along with a more efficient power transmission. The sprocket is then lightened with drilled holes to save on rotating mass. Every lb of rotating mass equates to a 4 lb weight reduction. The sprocket is then case hardened to Rc 58-60 and finished with a silver zinc plating for added durability and protection from corrosion.

This sprocket is brand new in original packaging manufactured in the US from Pro-tek, a leading manufacturer in the industry now for over 25 years.

Applications NOTE:This is a 520 pitch conversion sprocket which requires both 520 sprockets and a 520 pitch chain. The stock setup is a thicker 532 or 525 pitch
1999-2005 Yamaha YZF-R6 16T Front/48T Rear Stock Gearing, 532-116 Stock Chain
2006-2024 Yamaha YZF-R6 16T Front/45T Rear Stock Gearing, 525-114 Stock Chain

The gear ratio is ratio of teeth between front & rear sprockets. This determines how engine RPM translates into wheel speed by bike. Changing sprocket sizes, front or rear, changes this ratio which changes the way bike puts power to the ground. With respect to stock gearing, installing a smaller front sprocket (fewer teeth), or a larger rear sprocket (more teeth), provides a lower gear ratio increasing acceleration of the bike but decreasing top speed. Conversely, installing a larger front or smaller rear provides a higher ratio which decreases the acceleration but increases top speed. Every one tooth change in the front is equal to a 3 tooth change in the rear. So a rear change more than two teeth means adding/removing chain links.

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