Cassette

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2017-02-18 6:12 PM

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Subject: Cassette
Been biking about 5 years, same bike, same size cassette (11-23). Recently brought my bike to the LBS as my chain and cassette was very worn. They didn't have an 11-23, but did have an 11-25 and i went with that. I asked the mechanic about the change, but didn't really understand anything he said. So, will i notice any real difference? By the way,i live in a very flat part of the US. Thanks.


2017-02-18 6:23 PM
in reply to: goforit

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Elite
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Subject: RE: Cassette

The difference between an 11-23 and an 11-25 is you lose the 16 cog and gain the 25 cog.  If you happen to hang out a lot on that 16 before, you might notice but I'm guessing not.

2017-02-18 6:29 PM
in reply to: goforit

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Ventura, California
Subject: RE: Cassette

Most likely going to be very similar. You will acclimate to them very quickly.

Where your front ring gears not worn heavily? Typically front ring gears are aluminum and the rears are made of steel, it would seem to me the fronts would wear out much before the rears. Matter of fact my 88' Peugeot was still rocking the original 6sp cassette until I changed it to a 8sp and they are still in great shape.

 

 

2017-02-19 6:59 PM
in reply to: #5213896

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Subject: RE: Cassette
Thanks for the replies. RJ, my front ends have never been changed, and thats with, at least, 16k miles on this bike.
2017-02-21 12:18 AM
in reply to: 0

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Subject: RE: Cassette
They're very close.

The 11-23 gives you a bit more fine adjustment of cadence. If you have a very narrow range of cadence where you perform well, you might miss having a tiny jump between two gears rather than just having a small jump between two gears.

The 11-25 gives you just a skosche more of a "granny" gear for going up hills. Again, not a gigantic difference. It is not as if people in the flatlands use 11-23 and switch to 11-25 when they go to the Himalayas. They're both relatively narrow range cassettes.

11-32 would be much more noticeable, unhappily if you're cadence-picky and happily if you're climbing big hills.

Chain gauges are cheap, or you can use a clearly marked metal ruler to keep track of chain wear. Or maybe just ride by your LBS and have them check it every yay often. Bikes are so much happier when the chain is the right length. Nicer to ride and stuff lasts longer.

Edited by alath 2017-02-21 12:19 AM
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General Discussion Triathlon Talk » Cassette Rss Feed