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Chain and sprocket advice needed for my application

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I just up-graded from a 75cc kit to a TB 88cc kit w/ race head and TB H-D auto clutch. Also have a 2 1/2" extended swingarm on the way.

I understand with this set-up first gear will now be useless and my stock chain will stretch out and also be too short with the longer swingarm

so my questions are;

What tooth size I should go to for both the front and rear sprockets

What brand

What brand / size / length chain

Also, I have 1'' fork leg extenders and a e-bay special 50's Ace rear piggy back shock...with the new extended swing arm will my XR be sitting stink bug?

Thanks in advance

Bert

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most people run a 15 on the front, you can also go up to 16. 15/38 I think would be a good setup.

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i run 15/34 on my 88. i geared down to 37 and didnt notice a difference until i hit a jump and was going slower than usual. lol

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