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Discussion Starter · #1 · (Edited)
Somehow I typed 8 speed in the title, but I meant 9 speed. Anyway, my cassette on my mountain bike gave out this weekend. One gear has disappeared, and another has some broken teeth. I've been looking on performancebike.com for a replacement cassette, but as usual there is a huge range in price.

I ride my bike ~30 miles per week, and I'm pretty rough on it. I want something that shifts well and will hold up, but I am definitely not interested in the top of the line cassettes that cost a fortune. Weight is not a concern.

Here are 2 cassettes I am considering:

http://www.performancebike.com/bikes/Product_10052_10551_1031988_-1___400186

http://www.performancebike.com/bikes/Product_10052_10551_1032052_-1___400186

What should I be considering when selecting a cassette?
 

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Discussion Starter · #5 · (Edited)
Thanks for all the advice. I went with a SRAM PG 950 from a local shop. From what I gather, the only difference between the 950 and the 970 is the weight.

I haven't had it on the trail yet, but I've noticed the chain now rubs on the next size up cog while in the 1st two gears. So when in 1st, the chain rubs on 2nd, and when in 2nd the chain rubs on 3rd. It does not skip gears or try to shift, but I can "feel" the rubbing in the pedals. It was not like this with the old cassette. While in the low gears it looks like the chain is at a pretty high angle between the cassette and the front chain rings. It is not the derailleur because the rubbing only occurs at the top of the gears.

Is there any adjustment for the offset of the cassette. I had it installed by the shop.
 

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Sorry if this is a newb response, but have you contacted the shop that did the work originally to see if this was normal or if they need to perform additional adjustments?
 
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