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Old 07-11-08, 04:32 PM   #1
ledhead709
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Single Speed Front Sprocket Five Speed Cassete in the Rear

hello i was wondering if it is ok to put one gear on the front crank and use a five gear cassette in the back. the shopkeeper at my LBS said it wasn't a good idea. is this true?
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Old 07-11-08, 05:39 PM   #2
chevy42083
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I don't really see a problem with it. Dunno if the front der. would be needed to keep the chain from jumping off.
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Old 07-11-08, 05:42 PM   #3
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Quote:
Originally Posted by ledhead709 View Post
hello i was wondering if it is ok to put one gear on the front crank and use a five gear cassette in the back. the shopkeeper at my LBS said it wasn't a good idea. is this true?
Sure, that's what the old 5 speeds of the 70's & 80's were. I don't where you'd find a new 5 speed
cluster today tho?????

Oh yes, don't forget that you'll need a shifter and derailer that work with 5's.
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Old 07-11-08, 05:44 PM   #4
ledhead709
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ha that was what i thought at first. my LBS has them for under 20 bucks. i already have all that stuff. i just was wondering if i could use a one 48 tooth on the front for easy changing to singlespeed

thanks for your help
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Old 07-11-08, 06:31 PM   #5
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I use 5 speed Shimano freewheels on my commuter bike. I've bought them in the recent past for about $15 over the web. They're hardly extinct!
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Old 07-11-08, 06:46 PM   #6
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I believe Giant makes a 7 speed with a single gear in the front. SO I don’t know why 5 wouldn’t work. Not sure if that is enough gears for me.
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Old 07-11-08, 08:03 PM   #7
ledhead709
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ok thanks, i live in florida and all the roads i would be riding on are super flat. i don't think i need many gears.
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Old 07-11-08, 09:32 PM   #8
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No reason it wouldn't work.
IF uoi have friction shifters, you could probably stivk a 6-7 speed on the back and have a little closer steps between gears. I hate that big jump between 4-5!
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Old 07-11-08, 10:38 PM   #9
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If you notice the bike I ride you will see it has one sprocket at the crank, a three-speed rear hub and a seven-speed cassette giving me 21 gears. You could easily have a 5,7, or a new 8 speed with only one sprocket in the front. It would be easier or at least as easy to find a cassette with seven gears and two extra wouldn’t hurt. IMHO
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Old 07-11-08, 11:23 PM   #10
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I think you need a new bike shop, or at least an explanation of why that's a bad idea. I have an old Trek that started life as a triple-crank tourer, then did five years or so as a five-speed around town (I took off all but the middle chainring), and now is a singlespeed. Unless there's something really unusual about the setup you plan to use, I can't think of a possible problem.
If you don't have a shifter for the rear, you don't need a five-speed index shift lever. Any old thumb shifter or friction lever or barcon will work.
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