2 speeds possible with single speed kit.
#1
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2 speeds possible with single speed kit.
My friend is buying a single speed conversion kit for his bike and we were just wondering if it is possible to have the rear single speed but keep the front a dual chainring with a derailer. So he can only switch the fron gears. In a sence he would have 2 gears. Is this possible, Im thinking it is because he is buying a chain tensioner to use with it. Just want to make sure.
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I don't know how well that would work.. if the chain's long enough to fit on the big ring, it might be kinda loose when it's on the small ring. Although maybe a tensioner would do just as good a job as a rear derraileur would.
Has he considered just a single ring setup?
Has he considered just a single ring setup?
#3
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Well ya he has considered it because it was his initial plan. Then we got thinking how cool it would be to have 2 up front. Either way he is going single speed in the rear but this would be better.
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why?? does he want to go single speed or not? imo if he's going to go 2 he might as well go 5-6, i.e. go single on the front and just keep the rear derailer/cassette. if he's REALLY set on 2 gears, then i would also think that instead of doing 2 up front, use spacers and do 2 cogs in the rear, depending on how much he cares, might not even do a derailer in the back, just the tensioner, need to switch gears? stop and switch it over.
i dunno... i just think it'd look kinda goofy to have the extra ring and derailer up front when it's so simple in the back.
i dunno... i just think it'd look kinda goofy to have the extra ring and derailer up front when it's so simple in the back.
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He would like it like that so he could have 1 gear for climbing and 1 gear for speed, its just that simple. If he had 2 gears in the back they wouldnt be that diverse of gear ratios. But if he had two up front they would be totally different. Plus, I dont know about you guys but we all feel the same when we say that front derailers are more reliable than rear. I just want to know if it will work. I guess we could always try for ourselves.
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Won't work, chain line on a SS is the major key to having it work.
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White industries makes something called the double double, two ratios without any difference in chain length, or a skewed chainline. Double freewheel in back, and double chainrings in front.
https://www.whiteind.com/ENO_web/eno-index.html
You still have to get off the bike to change gears though.
https://www.whiteind.com/ENO_web/eno-index.html
You still have to get off the bike to change gears though.
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Originally Posted by norcodirtjumper
If he had 2 gears in the back they wouldnt be that diverse of gear ratios. But if he had two up front they would be totally different.
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I just saw this, looks like it's similar to what he's trying to do - https://www.rivendellbicycles.com/htm...quickbeam.html
But, I'd guess the horizontal dropouts make or break that feature.
But, I'd guess the horizontal dropouts make or break that feature.
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set it up like a hirondelle
https://www.bikeforums.net/alt-bike-culture/131632-anyone-ever-build-2speed-hirondelle-style.html
(from the alt bike forum)
https://www.bikeforums.net/alt-bike-culture/131632-anyone-ever-build-2speed-hirondelle-style.html
(from the alt bike forum)