Cassette and Chain Wear?


New Member
Near Reading, UK
Next week, I'm going to be cycling John O'Groats to Land's End, so I took the bike to Beeline Cycles in Oxford for a service yesterday. It's a 1.5 yr old Boardman Comp, done approx 2500 - 3000 miles. They mentioned that the chain and cassette looked worn and might need replacing. Does this seem normal? I don't mind replacing them if they really need doing, but it just seems a bit soon.




Active member of Helmets Are Sh*t Lobby
Certainly feasible


They usually say that!

That said, if there's no chain slip I'd think about getting a new chain/cassette for the summer and then put the old pair to winter use.


Legendary Member
Do you grind gears, or do you sit and spin. If you do the latter your chain and cassette will last longer


Cycling in Scotland
Auld Reekie
It would sensible to replace the chain and cassette before setting out on a LEJoG if you have already done over 2500 miles, given that much wear it will give trouble before you reach John o Groats, and you really wouldn't want it to fail somewhere north of Inverness 50 miles from the nearest bike shop. Lets face it a Shimano HG53 Chain is only a tenner and cassette less than twenty, it is not going to break the back is it, added to which 2500 - 3000 miles is about the lifespan of cheap chains and cassettes, after all we are not talking about a KMC Chain and a Ultegra cassette, are we.


+1, change the set before the trip. Keeping the oldies for winter or commuting duties is a good idea too. I recently changed a chain on my about-town bike, usually I get 3 or 4 chains to a cassette. Not this time, it skipped so I put the old one back and I'll run it till it drops to bits. The chainring is an old steel one from a junked bike so I'm not concerned about that either. There's a difference though between my shopping/pub/casual rides bike and something you intend to flog 60 or 70 miles a day with gear on for a fortnight.
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