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Posted: **Wed Sep 11, 2013 7:48 pm**

Which Slotit sidewinder gear replaces the Fly Classics, 18mm or 19mm? Also is the stock tooth count 27? I want to maintain a 3-1 ratio so I will have to change pinion also? Why no 27 tooth count from them?

Posted: **Wed Sep 11, 2013 8:12 pm**

19MM.

Stock gearing on Fly classics is 11/36

11 tooth pinion, 36 tooth spur.

Posted: **Thu Sep 12, 2013 7:00 am**

It probably would be best to change to a 12 tooth 6.5mm diameter pinion and use a Red 36 tooth 19mm diameter spur gear to get a 3:1 ratio.

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which gear

which gear

Re: which gear

Re: which gear