Change cables when change shifters?

robertsims

Hi,

I'm changing my groupset from old Shimano 2300 8 speed triple to a compact 10 speed (mainly Tiagra with few 105 bits).

Never done any of the stuff before but figured it would be a good learning experience and I've indexed gears and stuff before.

Main question is around cables - would it be possible to reuse the existing brake and gear cables or would I need new? If I need new then would I need both inners and outers or just new inners? I had all the cabling replaced in December so all still in very good condition.

Thanks

marcusjb

Certainly change the inners - they cost less than a couple of quid and are not worth reusing (and can be a pain to rethread through a new shifter if they've been crimped at the original deraillieur.

You may find changing the outers helpful anyway - unless the routing on the shifters is identical, re-using an outer with even an inch or so too little/much length can make the difference between smooth shifting and hit and miss shifting.

macleod113

i'd change both inners and outers. cables are a couple of quid and most bike shops and ebay etc do cable housing by the metre.

maddog 2

yes.

markhewitt1978

I'm getting some work done at the LBS and they've said new cables for everything inner/outer would be £2.50 - so crazy not to!