2004-2008 Yamaha YZFR1 520 Chain Rear Sprocket by Driven
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2004-2008 Yamaha YZFR1 520 Chain Rear Sprocket by Driven
Driven USA aluminum rear sprockets are machined out of 7075 T-6 aluminum by a CNC & hobbing
machine, balanced and tested for trueness.
The final process is color hard anodizing for
both beauty and surface protection against corrosion. The front sprockets are
made out of case hardened chromoly steel and machined to exact dimensions, heat
treated for greater surface strength and hard anodized for protection against
corrosion. All sprockets are machined to tolerances no greater then 0.2 mm which
is less then half OEM standards. Improve both the performance
and appearance of your bike with the addition of Driven sprockets!