Changing the drivetrain
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Changing the drivetrain
Postby DANger-is » Mon Dec 10, 2012 12:33 pm
I'm looking at the ultegra crank, chain and cassette. So...
- I currently have a nine speed cassette and the one I'm looking at is 10 speed. Will this fit?
- I ride a mix of hills and flat and I'm changing from a compact cassette to a standard. Is the 11-28 set the best for hills and flat?
Cheers
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Re: Changing the drivetrain
Postby brawlo » Mon Dec 10, 2012 12:38 pm
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Re: Changing the drivetrain
Postby DANger-is » Mon Dec 10, 2012 12:50 pm
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Re: Changing the drivetrain
Postby twizzle » Mon Dec 10, 2012 1:22 pm
You answered yourself.DANger-is wrote:Can you just take the first or last gear off of the cassette to make it a nine speed or am I being totally ridiculous!
...real cyclists don't have squeaky chains...
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Re: Changing the drivetrain
Postby brawlo » Mon Dec 10, 2012 1:49 pm
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Re: Changing the drivetrain
Postby TDC » Mon Dec 10, 2012 1:50 pm
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Re: Changing the drivetrain
Postby DANger-is » Mon Dec 10, 2012 8:06 pm
I can just replace the above but was thinking of upgrading the crank while I was there. Is this upgrade a waste of money?
If not, should I be looking at the ultegra 6500, is this the one for nine speed?
I'm a little green with this stuff
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Re: Changing the drivetrain
Postby TDC » Mon Dec 10, 2012 8:17 pm
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Re: Changing the drivetrain
Postby Xplora » Mon Dec 10, 2012 8:31 pm
You'd really have to think about WHY you want to change the crankset. Is it going to be a different size (compact vs standard vs cyclocross) or just a lighter setup? You'll get virtually no performance gain, better off spending 200 bucks on protein powder
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Re: Changing the drivetrain
Postby TDC » Mon Dec 10, 2012 8:48 pm
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Re: Changing the drivetrain
Postby DANger-is » Tue Dec 11, 2012 1:12 am
It's currently got a compact on it and I'm thinking of changing over to a standard.
I've added some photos of the chain rings to see what you guys think about the chain set
http://i1287.photobucket.com/albums/a63 ... mage-4.jpg" onclick="window.open(this.href);return false;
http://i1287.photobucket.com/albums/a63 ... mage-5.jpg" onclick="window.open(this.href);return false;
I might only need a new chain but I'll see what you guys think
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Re: Changing the drivetrain
Postby TDC » Tue Dec 11, 2012 8:42 am
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Re: Changing the drivetrain
Postby brawlo » Tue Dec 11, 2012 9:09 am
Also, just pointing out, that you essentially get the same gearing with a compact as you do with a standard, but you also get some easier gears to play with. Definitely look OS if you do want a new one though, you can usually get a whole new crankset for less than what new chainrings cost from local retailers. Such is the Shimano way unfortunately!
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Re: Changing the drivetrain
Postby DANger-is » Tue Dec 11, 2012 9:38 am
Is it fair to say then that I'm only due for a new chain?
My main reason for changing from the compact to the standard was because I thought it was all due for replacement and because I was under the impression that standard was a better setup.
I am occationally starting to run out of gears at the top end, can I change the cassette to something with a bigger range?
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Re: Changing the drivetrain
Postby clackers » Tue Dec 11, 2012 11:16 am
I know everyone's different in how hard they mash the pedals, but wouldn't you be hoping for 5000km from each chain and new cassettes every three chains?DANger-is wrote:
Is it fair to say then that I'm only due for a new chain?
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Re: Changing the drivetrain
Postby rkelsen » Tue Dec 11, 2012 11:27 am
Are you sure?DANger-is wrote:I am occationally starting to run out of gears at the top end
With a 50/12 at 100rpm you'd be doing 53kph.
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Re: Changing the drivetrain
Postby DANger-is » Tue Dec 11, 2012 12:29 pm
rkelsen wrote:Are you sure?DANger-is wrote:I am occationally starting to run out of gears at the top end
With a 50/12 at 100rpm you'd be doing 53kph.
Yeah, it's only during down hill that I'm running out
I might change the chain first then and see how it go's. besides the thin chains will any shimano chain fit? For example, will the HG93 9 speed chain fit right?
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Re: Changing the drivetrain
Postby brawlo » Tue Dec 11, 2012 2:05 pm
Any 9 speed compatible chain will fit. There's plenty to choose from. Companies like Sram and Shimano as well as many other chain makers. I have seen it said that Shimano chains shift a bit better on Shimano gear. Having said that, I have a new Sram chain to try with my new 9sp Ultegra cassette. Getting both together doesn't worry me too much, as half of my riding is done on my track bike and I don't do long rides, this chain/cassette combo has lasted me 3 years.
If you have no qualms about using a Tiagra cassette, you can get a 25-11 or even 30-11 that will give you better high speed gearing without losing any lower gearing.
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Re: Changing the drivetrain
Postby DANger-is » Tue Dec 11, 2012 10:54 pm
Shimano Ultegra 6500 9 Speed Cassette
Shimano HG93 9 Speed Chain
I don't know if you can tell but I'm a bit of a newbie at all this!
I'm currently running 11-23 on the cassette and a compact crank, is this the best combination for flats and hills or should I look at a different range for the cassette?
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Re: Changing the drivetrain
Postby twizzle » Wed Dec 12, 2012 6:23 am
And gearing is a personal thing. I run a 11-28 with a compact on my daily, but I do 14% climbs on it and have dodgy knees. I know people who think 12-23 with standard cranks is the only real setup. Each to their own...
Sent from my iThingy...
...real cyclists don't have squeaky chains...
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Re: Changing the drivetrain
Postby DANger-is » Wed Dec 12, 2012 9:22 pm
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