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Old 01-21-2013, 07:49 AM   #1638
privateer2010
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Joined: Aug 2010
Location: Virginia Beach
Oddometer: 37
Sprocket calculator

Here is a good little calculator to help you decide. You enter the number of teeth on the front and rear currently running and then the number for what you are thinking about changing to. It calculates the % of change you can expect to gain or loose. I have been changing out just the front sprocket when tackling steep off road riding, I go down one tooth and leave the rear alone. It is easier and you get an instant 7% or so of gain in low end grunt. Plus if you need to you can still run on the road. Here is the site:

http://sprocketcalculator.com/
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