View Poll Results: Cassette Condition
Shot - Use if for a Christmas Decoration
4
66.67%
Not - Throw it in the drawer as a Spare
2
33.33%
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Shot or Not: Cassette
11-22-21, 07:35 PM
#1
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Thread Starter
Shot or Not: Cassette
Curious what the bike mechanics think the life of a 105 cassette should be. I just replaced my cassette, which had accumulated 25,500 km (15,840 miles). It looks worn but the main reason I replaced it was because I replaced the chain ring (45,000 km). Pictures of a couple of sprockets attached: Shot or Not?
Last edited by Steeler_fanatic; 11-22-21 at 07:53 PM.
11-22-21, 07:46 PM
#2
The dropped
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If you told me that this cassette doesn't skip with a new chain, I would be shocked. That said, I don't think it's done, if you install it on a wheelset that sees light use rather than a brand new cassette with a used chain. It's gone for anything other than light use.
Congratulations!
Congratulations!
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11-22-21, 08:16 PM
#3
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15,000 miles is a pretty good run, but if it doesn't skip with a new chain, keep running it! Ray Hosler reported getting 25,000 miles from an Ultegra 10-speed cassette here: https://rayhosler.wordpress.com/2016...s-25000-miles/
If nothing else, I appreciate the care you put into cleaning the thing before taking pictures. There's something neat about layers being worn away, contact surfaces worn smooth and shiny...
If nothing else, I appreciate the care you put into cleaning the thing before taking pictures. There's something neat about layers being worn away, contact surfaces worn smooth and shiny...
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11-22-21, 09:47 PM
#4
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No way to tell by looking, only by riding. If it runs smoothly it's good. If it skips, it's not.
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11-23-21, 01:42 PM
#5
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I get 25000 miles easily on an 11 speed shimano. I keep the chain clean although not a slave to it and I put a new chain on although my chains last 6-7500 miles too.
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11-23-21, 02:25 PM
#7
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Not quite the same cog as yours, but this is brand new. Doesn't look much different than yours except the finish worn off in places.
https://bike.shimano.com/en-US/produ...0/CS-6800.html
If the new chain skips when you put some power to the pedals, then change it. Or you might can wrap the new chain around it and if it has a lot of slack at the mid point of the length going around it, then maybe it's time. But it'd be good to try that around a known good cog of the same size to compare so you can see how much is normal.
https://bike.shimano.com/en-US/produ...0/CS-6800.html
If the new chain skips when you put some power to the pedals, then change it. Or you might can wrap the new chain around it and if it has a lot of slack at the mid point of the length going around it, then maybe it's time. But it'd be good to try that around a known good cog of the same size to compare so you can see how much is normal.
Last edited by Iride01; 11-23-21 at 02:31 PM.
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