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HELP!!! 28 and 16 gear ratio with tensioner

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HELP!!! 28 and 16 gear ratio with tensioner
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flag CoN-AiR15
Posted: Nov 2, 2008 at 13:14 Quote
I have a RM Flow and im getting BMX cranks with sprocket but is 28-16 with chain tensioner okay or will it be to easy
its for dirt jumping if that helps i can go 30-16 with chain tensioner if that helps
flag mcmahonad
Posted: Nov 2, 2008 at 17:32 Quote
16 usually goes with something like a 44
I know a kid who tried 30/16, but it was pretty ridiculous.. it was like he was on granny gears on a mtb.


This was on bmx, should end up the same with an mtb.
flag sweetsarasin
Posted: Nov 2, 2008 at 17:35 Quote
30/16 would probably be a lot better on a mtb. Are you running 24, or 26 inch wheels? 28/16 would be really easy, i run 32/16 and its perfect for me, maybe try both and see which you like better.
flag CoN-AiR15
Posted: Nov 2, 2008 at 17:37 Quote
k wat sprocket r u running for 32 i want one but what company has them i no that profile has them but who else
flag unfknblvbl
Posted: Nov 2, 2008 at 17:38 Quote
yeah on a mtb you want something around 2:1
flag CoN-AiR15
Posted: Nov 2, 2008 at 17:41 Quote
but if you ran 28-16 but with a tensioner wouldn't the tensioner help to tighten things up
flag sweetsarasin
Posted: Nov 2, 2008 at 17:41 Quote
CoN-AiR15 wrote:
what does 2:1

2:1 Would be like, 32/16, or 28/14, the back sprocket is half the teeth of the front.

I just run hussefelt cranks lol, not bmx cranks.
flag unfknblvbl
Posted: Nov 2, 2008 at 17:42 Quote
CoN-AiR15 wrote:
what does 2:1
with 26' wheels your gonna want like 32 16 or 28 14, i run a 32 15 cause i wanted it a little harder, but generally for 26 its a good rule of thumb. wheel size will change everything though. theres an equation in some forum somewhere
flag CoN-AiR15
Posted: Nov 2, 2008 at 17:42 Quote
ok i get it but would tensioner help ????
flag unfknblvbl
Posted: Nov 2, 2008 at 17:42 Quote
CoN-AiR15 wrote:
but if you ran 28-16 but with a tensioner wouldn't the tensioner help to tighten things up
the tensioner just keeps the chain tight, it doesnt affect the pedaling
flag CoN-AiR15
Posted: Nov 2, 2008 at 17:44 Quote
ok but wat company makes 32t sprocket
flag unfknblvbl
Posted: Nov 2, 2008 at 17:45 Quote
alot, well 32 chainring, for bmx cranks i run a proper and its pretty good
flag sweetsarasin
Posted: Nov 2, 2008 at 17:45 Quote
yeah, the tensioner just tensions the chain, doesnt affect how hard it is to pedal. As for the equation, on 26 inch wheels you want comething close to 55 or so, so if you take the size of your front sprocket, divide it by your back sprocket and times it by your wheel size youll get a number, higher the number, the harder it is to pedal.
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