What are the standard speeds?
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#27
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The wheel only needs to match the frame. On a road bike wheel, a 10-speed freehub will accept a 10 speed, a 9 speed, or an 8 speed cassette, while an 11-speed freehub will also accept a 10 speed, a 9 speed, or an 8 speed cassette with a 1.85 mm spacer. So pretty much any contemporary wheel you can get will work with the cassette you need. As everyone else above pointed out, the more pertinent issue is that you need to match the shifter, the derailleur, and the cassette; all three components must have the same number of speeds...................
No. The chain rings do not care how many rear speeds you have. The only thing the number of chain rings has to match is the number of speeds of the FRONT shifter.
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Not at all my intention. In fact, just the opposite. I want to make sure I only buy the part(s) that will work with what I have now. I have no intention of "reinventing the wheel" so to speak. If what I have works with an 8-speed cassette, then that's what I'm going to shop. No sense finding a 9-speed cassette/wheel, and then having to change the derailleur and shifter to fit.
However, your existing wheel is fine with either an 8 or 9 speed cassette as the freehub is designed to work with 8, 9 and 10 speed cassettes.
Also, you do not need to change your rear derailleur if you change your cassette. Keep in mind that the total width of an 8 and 9 speed cassette is the same which is why the spacing between individual gears is different. But your derailleur doesn't care about spacing between individual gears, your shifter determines that. The derailleur is only "along for the ride" so to say.
It sounds like a 9-speed cassette is the only part you may need. NOTHING ELSE.
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Lombard I now get what you meant about the RD itself does not matter as long as the number of speeds matches between the shifter and the cassette.
But I think you misunderstood me when I said the chain determines which chain rings can be used. For example, I run 10 speed Shimano chain rings on an otherwise 11 speed Shimano drivetrain.
But I think you misunderstood me when I said the chain determines which chain rings can be used. For example, I run 10 speed Shimano chain rings on an otherwise 11 speed Shimano drivetrain.
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You were doing great until here. It doesn't matter if the rear derailleur is an 8, 9 or 10 speed as the derailleur only does what the shifter tells it to. Yes, the number of speeds of the shifter and cassette have to match, but as far as the derailleur, the only requirement is..........
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#33
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I don't think so. VegasJen said (in post #1) that "[t]he cassette on it now is a 9 -speed, but I think it came with an 8-speed originally (not sure)." She then described shifting issues, which may be due to using an 8-speed shifter (corresponding to the original 8-speed cassette) with the current 9-speed cassette. She needs to first determine whether her shifter is 8-speed or 9-speed. If it does turn out to be an 8-speed shifter, then she needs to buy either (i) an 8-speed cassette to go with that, or (ii) a 9-speed shifter to go with the current 9 speed cassette. Either way she does not need another 9-speed cassette.
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I don't think so. VegasJen said (in post #1) that "[t]he cassette on it now is a 9 -speed, but I think it came with an 8-speed originally (not sure)." She then described shifting issues, which may be due to using an 8-speed shifter (corresponding to the original 8-speed cassette) with the current 9-speed cassette. She needs to first determine whether her shifter is 8-speed or 9-speed. If it does turn out to be an 8-speed shifter, then she needs to buy either (i) an 8-speed cassette to go with that, or (ii) a 9-speed shifter to go with the current 9 speed cassette. Either way she does not need another 9-speed cassette.
Precisely!
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Several people in this thread explained how you can determine which cassette to use… And you still haven’t checked it?
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You could have just counted the cogs on the old wheel and/or counted the clicks in the shifter and saved everyone a bunch of time and you'd know for sure...but no. Why not?
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Technical FAQ: 10- and 11-speed drivetrain component compatibility - VeloNews.com
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Perhaps referring to possible problems running things like 8 speed rings with 10 speed. When I updated my Ritchey from 8 speeds to 10 by swapping the 7400 series RD and STIs for 7800 and adding a 10 speed chain, I initially kept the 8 speed chainrings, and it MOSTLY worked fine. But twice, my chain fell into No Man's Land between the rings. It didn't jam there, it just sat uselessly in the gap as I spun the cranks. I got the 9 speed small ring, which reduces the space between the rings and no problem. I suspect, but I'm not certain, that a difference of one speed between the generation of the rings and the drivetrain (and thus the chain) isn't a problem, but the greater the difference the more likely it is to occasionally fail.
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Perhaps referring to possible problems running things like 8 speed rings with 10 speed. When I updated my Ritchey from 8 speeds to 10 by swapping the 7400 series RD and STIs for 7800 and adding a 10 speed chain, I initially kept the 8 speed chainrings, and it MOSTLY worked fine. But twice, my chain fell into No Man's Land between the rings. It didn't jam there, it just sat uselessly in the gap as I spun the cranks. I got the 9 speed small ring, which reduces the space between the rings and no problem. I suspect, but I'm not certain, that a difference of one speed between the generation of the rings and the drivetrain (and thus the chain) isn't a problem, but the greater the difference the more likely it is to occasionally fail.
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Yes, from what I can gather, these issues arise because (a) chain width decreases as the number of "speeds" increase, such that (b) chain ring width must also decrease correspondingly. To maintain good front shifting, the spacing between the chain rings is also decreased, except for the respective specifications between 10-speed and 11-speed road drivetrains. Thus, 10-speed rings can be used on an otherwise 11-speed drivetrain without issues.
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Perhaps referring to possible problems running things like 8 speed rings with 10 speed. When I updated my Ritchey from 8 speeds to 10 by swapping the 7400 series RD and STIs for 7800 and adding a 10 speed chain, I initially kept the 8 speed chainrings, and it MOSTLY worked fine. But twice, my chain fell into No Man's Land between the rings. It didn't jam there, it just sat uselessly in the gap as I spun the cranks. I got the 9 speed small ring, which reduces the space between the rings and no problem. I suspect, but I'm not certain, that a difference of one speed between the generation of the rings and the drivetrain (and thus the chain) isn't a problem, but the greater the difference the more likely it is to occasionally fail.
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Honestly, I wonder why some posters even bother asking for advice when they just ignore it.
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Yes, from what I can gather, these issues arise because (a) chain width decreases as the number of "speeds" increase, such that (b) chain ring width must also decrease correspondingly. To maintain good front shifting, the spacing between the chain rings is also decreased, except for the respective specifications between 10-speed and 11-speed road drivetrains. Thus, 10-speed rings can be used on an otherwise 11-speed drivetrain without issues.
I don't have any idea why the OP doesn't want to follow the dead simple advice posted multiple time either.
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