Which Groupset?

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se1derful

Hello all, I need to replace the big chainring on my venerable 2010 Allez Comp , and I was wondering if it's a case of just getting the latest, up to date 105 ring and chain?

Like these:

http://www.chainreactioncycles.com/shimano-105-fc5750-10-speed-compact-chainrings

http://www.chainreactioncycles.com/shimano-105-5701-10-speed-chain/rp-prod50457

Do I need to think about replacing the cassette/jockey wheels/small ring?

Thanks for any help.

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edscoble in reply to @se1derful

If the teeth of the chainring look very sharp, then that's a sign it may need changing.

If it look rounded, you don't need to change it;

Small ring don't need changing if you rarely use it.

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