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PostPosted: Wed Aug 14, 2013 7:56 pm 
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Location: Denmark
Currently I'm riding with a 50/34 combination on my Rotor crankset. Would like to have a 52/38 combination instead. If I choose the larger chainrings, do I then need to lengthen the chain, or will it work ok?

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Posted: Wed Aug 14, 2013 7:56 pm 


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PostPosted: Wed Aug 14, 2013 8:00 pm 
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It depends on how long your chain is now.

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PostPosted: Wed Aug 14, 2013 8:01 pm 
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You'll most likely need a longer chain. Sure someone will correct me but basic rule of thumb for minimum chain length is to wrap chain around largest cogs front and rear (not Passing through rear changer) and add 2 links.


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PostPosted: Wed Aug 14, 2013 8:23 pm 
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If it was originally fitted using the small / small method (ie longest) you may be okay.


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PostPosted: Wed Aug 14, 2013 9:10 pm 
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id be pretty suprised if you didnt have to change your chain for a bigger one.

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PostPosted: Wed Aug 14, 2013 9:36 pm 
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As everyone else has said - it depends on what length your chain is now.

If you put in the big-big combo now and the RD is really stretched out, then you need a new chain. If there is still some slack you are probably OK.

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