I think more than a few of us may have been initially weirded-out by
using the bottom bracket shell as a cable guide, but honestly it really
doesn't make any difference. Friction is friction, and no one in the
history of derailleurs has even sawn through their bottom bracket. What
I and many others do is to put a couple inches of Teflon cable housing
lining on the cables under the shell. They stay there just fine and
provide a slick crud barrier for the cables, smooth out the shifting a
hair, and take out the creepy thought of slowly, ever slowly, cutting
into the shell. You'll need to keep an eye on it a couple times per
year; the cable will eventually cut its way through the Teflon and
you'll need to replace it.
On 1/13/2013 6:06 AM, Steve Wimberg wrote:
I've never been a huge fan of how the derailer cables are routed underneath the
bottom bracket of my Ram, due to the fact that they are just rubbing against
the bare frame. Does anyone have any thoughts on using something like this
Campy cable guide?
http://velobase.com/ViewComponent.aspx?ID=E553FEF8-9918-4B47-B24E-AE4603CBCB14
It attaches to the downtube and routes the cables above and to the side of the bottom bracket.
However, from what I can find, it looks like it is sized for a 1 1/8" tube, while I
believe the Ram down tube is 1 1/4". If that is indeed the case, could the guide
possibly be made to squeeze out that extra 1/8"?
Thanks for any info,
Steve
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