Standard Sprocket size for a 17" rear wheel
03-23-12, 02:44 PM
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Standard Sprocket size for a 17" rear wheel
Hi all,
I'm looking for what is the standard sprocket size for a 17" rear wheel. I saw two wheels earlier and they had the same sized sprockets (different manufacturers) and just wanted to know the diameter of the sprocket that you would use on a 17" (420mm) rear wheel
I'm looking for what is the standard sprocket size for a 17" rear wheel. I saw two wheels earlier and they had the same sized sprockets (different manufacturers) and just wanted to know the diameter of the sprocket that you would use on a 17" (420mm) rear wheel
03-23-12, 03:22 PM
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er, what hub do you have in the middle of that wheel?
sprocket choice is about the Gear ratio, so what size is a function of what gear ratio you wish too
sprocket choice is about the Gear ratio, so what size is a function of what gear ratio you wish too
03-23-12, 04:05 PM
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A 17" wheel? I have heard of 12, 14, 16, 18, 20, 22, 24, 26, 27, 28 and then metric but never a 17.
I do with Bob we need more information. is this a FG?
I do with Bob we need more information. is this a FG?
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03-23-12, 06:45 PM
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Don't know about current models, but the Lightning P-38 (recumbent) and some Moulton bicycles have used 369 - 17" wheels (front wheel only on the P-38). Sheldon lists that size.
OP says 420 so more info is needed.
OP says 420 so more info is needed.
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03-23-12, 11:47 PM
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17" x 1 1/4" (ISO 32-369) is standard on Moulton bikes and the front of older Lightning recumbents like the one in my garage.
I agree with the others- there's no such thing as a "standard" size sprocket. It depends on the hub, the intended use, and size of the chainwheel, among other factors.
I agree with the others- there's no such thing as a "standard" size sprocket. It depends on the hub, the intended use, and size of the chainwheel, among other factors.
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03-24-12, 05:07 AM
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17" x 1 1/4" (ISO 32-369) is standard on Moulton bikes and the front of older Lightning recumbents like the one in my garage.
I agree with the others- there's no such thing as a "standard" size sprocket. It depends on the hub, the intended use, and size of the chainwheel, among other factors.
I agree with the others- there's no such thing as a "standard" size sprocket. It depends on the hub, the intended use, and size of the chainwheel, among other factors.
03-24-12, 07:04 AM
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More importantly the OP has not checked back in to give us more information.
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk
“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
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03-24-12, 07:20 AM
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I had never heard of 17" wheels either and that's new info to me too. Accoring to Sheldon Brown's list there is no ISO 420 rim. The closest is ISO 419 used on some Schwinn kids bikes and was called a 20".
03-24-12, 09:57 PM
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Actually, the words "standard" and "bicycle" pretty much don't go together. There are a few components that are standardized to the degree that there are only 2 or 3 possible sizes but that's just to lure you into thinking you can order ANYTHING without either measuring or knowing exactly what you have.
Yeah, well, it was worse in the Olde Days (stolen from C&V):
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03-24-12, 10:01 PM
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Sounds like another case of someone getting the tape measure out to determine wheel size rather than reading it off the tire.
03-24-12, 10:07 PM
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Yeah, that was the case on the thread where I stole the Canadian tire scans from. Someone was trying to figure out the tire size for an old Free Spirit, after throwing the old tires out. Probably 26 x 1 3/8 (EA3), I think.
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