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Which 9-Speed Cassette, chain, and should I do the rings also?
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June 12th 07, 08:09 PM posted to rec.bicycles.tech
Steve Gravrock
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Posts: 279
Which 9-Speed Cassette, chain, and should I do the rings also?
On 2007-06-12,
wrote:
I'm switching my snow bike/beater from 8-speed to 9-speed. I don't
want to spend a lot of money on this, but hear bad things about the
nashbar & performance house brand cassettes. So, I'm going to have to
spend over $20 on the cassette. O.K.
How much more?
The Shimano M580 looks like a nice unit, but it's around $50. I'd
like to avoid spending that.
The SRAM PG-950 is mighty tempting @ $30. Then again, the PG-970
The Shimano Nexave & Deore are both $32. How do they compare to each
other & the PG-950.
Finally, the SRAM PG-970 looks good @ $40. Is it worth the extra $10
over the 950? If I get to spending $40 on this would I be notably
better off spending the $50 on the M580?*
Cheaper is better, especially for a snow bike. For what it's worth I
have the PG-950 on my mountain bike and it works fine.
The chain: I'd like to spend under $20. Shimano or KMC? The place
I'll be ordering from has both in stock. They don't have any SRAM
chains, and I don't want to spend over $20 on a chain for this
particular bike. Still, I hear great things about powerlinks & the
SRAM chains. Am I really missing the boat if I don't go SRAM w/ the
chain? I could buy one locally, but it'd be over 150% of my target
price.
I've heard that SRAM 9sp chains last longer. I certainly hope so -- my
last 9sp Shimano chain was only good for 500 miles. On a snow bike, that
may not be a problem.
Harris Cyclery has SRAM 9sp chains for $21.95, which is close to your
price: http://sheldonbrown.com/harris/chains.html
Finally, the chainrings. This is a pawn-shop bike that until recently
was on it's original grips (though worn out) and rims (not worn out).
That's the best indicator to mileage I have. Everyone who has seen
the bike says the (original) rings & cassette look fine. I agree.
However, the chain is stretched well past spec. I'm inclined to do
the chain rings when I do the chain and cassette, but am loathe to
spend the $ if I don't need to. Thoughts?
I'd do the chain and cassette and go ride. If everything works fine,
you don't need new rings.
Steve Gravrock
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