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When do you change the cassette?

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coffeebreak:

--- Quote from: 00Garza on May 31, 2023, 10:31:10 AM ---Not super scientific, but I go by tooth profile and overall performance. Compare what the teeth look like vs what they're supposed to look like.

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I was at my LBS and they said the same thing. Basically there is no definite way of telling. He said a lot of his customers have a set limit of miles at which they change chain and cassette regardless how its performing - which honestly feels an overkill but people do tend to spend a LOT of money on this hobby, so..

jonathanf2:

--- Quote from: coffeebreak on May 31, 2023, 11:57:29 AM ---Hahaha hadn't thought of it this way. The "fangs" for now definitely look like human teeth. I did a full re-indexing yesterday and problem has minimized (at least on big chain ring) though on small chain ring I did skip cogs a couple of times. I need to do one more careful assessment if one of the teeth is bent.

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Is it skipping cogs on single indexed shifts? I'd make sure the RD cable is pulled tightly through the frame. I always give it a light tug to remove any cable slack before guiding it through the rear RD cable. If that isn't the problem I'd make sure the derailleur hanger is straight.

Serge_K:

--- Quote from: coffeebreak on May 31, 2023, 11:59:45 AM ---I was at my LBS and they said the same thing. Basically there is no definite way of telling. He said a lot of his customers have a set limit of miles at which they change chain and cassette regardless how its performing - which honestly feels an overkill but people do tend to spend a LOT of money on this hobby, so..

--- End quote ---

Bike shops in London used to be notorious for telling you they had to change your cassette and chain anytime you'd bring the bike in. Would be unsafe to keep that cassette and so on. They were borderline scammers though.

wandulus:
The installed cassette (SRAM Force AXS 12s) has about 20K Km on it. 3 chains, lubed once a week with Squirt. Looks fine, only paint has gone (bigger cogs are black).

I couldn't undestand when someone posts that a cassette lasts 5K, or a chain 3K.

TidyDinosaur:

--- Quote from: wandulus on August 18, 2023, 01:13:15 AM ---The installed cassette (SRAM Force AXS 12s) has about 20K Km on it. 3 chains, lubed once a week with Squirt. Looks fine, only paint has gone (bigger cogs are black).

I couldn't undestand when someone posts that a cassette lasts 5K, or a chain 3K.

--- End quote ---

That is because you use a quality cassette, probably good chains and you wax  ;)

If you use Ali cassettes, 5K is very lucky sometimes ;D

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