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Available sprocket sizes for 03-06 600RR
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If you do not see the size sprocket for the brand you want that means the brand does not offer the size or we cannot get the size. Unless the size is shown here, do not note that size upon ordering.

Renthal
Front- 15, 16
Rear- 40, 42, 43, 44, 45, 46, 47, 48

Vortex
Front- 15, 16
Rear- 41, 42, 43, 44, 45, 46, 47

JT
Front- 15, 16
Rear- 40, 42, 43, 44, 45, 46, 47, 48

JT OEM (525)
Front- 15, 16
Rear- 42, 43, 45, 46



Usually, a front and rear sprocket combination(also known as the final drive) will be listed like this:

15/45, where the first number is the front sprocket, and the second number is the rear sprocket. You might also see (-1/+2), which means the sprocket set has one tooth less on the front sprocket and two teeth more on the rear sprocket when compared to the stock sprocket sizes.
 
The chart below shows the resulting final drive gear ratios from different front and rear sprocket combinations. The numbers in the chart are a result of dividing the rear sprocket tooth count by the front sprocket tooth count. A smaller number means more top-end speed.
A bigger number in the chart means that the motorcycle will have lower top-end speed when the RPM reaches redline. Choose this gearing if you prefer quicker acceleration in lower gears but are not concerned with top-end speed.

Example: A 2008 Suzuki GSX-R600 with stock 16/43(2.69) gearing has a theoretical top speed of approximately 155 mph in sixth gear. Changing the gearing to 15/45(3.00) will decrease the top-end speed to approximately 139 mph, but the bike will accelerate from lower speeds better.

To play with the numbers on your bike, you should visit the Gearing Commander website. This link will open in a new window so you will not have to leave our site.
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  • OES
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  • Free S&H $74.99+