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Hey all,
I picked up a sweet 2007 610SM with only about 1500 miles on it! I ride a little freeway and lot of back roads in the California foothills, and the gearing is a little too low for me. The bike is running pretty high RPMS at 70mph. The current gearing is 15 front and 45 rear. What's a good gearing to keep the low end grunt, but drop the RPMs a bit at higher speed? Any suggestions on a good vendor for the gears? Bike is stock except for a Leo Vince exhaust.

Thanks!
 

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I always start with the front sprocket (ya, it's the cheapest)... So get a 16 for the front, and see how that works. 1 tooth on the front is the same as 3 teeth on the back... Then you might do a little fine tuning with a smaller rear, like maybe a 42???
A friend told me once that he likes the bike to pull him all the way through an intersection (after being stopped) before he has to shift..... Pretty good thinking, I feel anyway.
Here is a link that may help also
SM610 Gearing change

Keith
 
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