Hey all, is there a bottom bracket shell calble guide that will accommodate housing, not just exposed cable? The frame I'm building has internal routing but I'm using full-length housing as the frame doesn't have housing stops and I don't want the housing just pulled up tight against the bare paint on the underside of the frame. It will be two housings, one shift and one brake. If anyone knows of one that will work or a similar solution, let me know or where I can purchase it online? Thanks!

I think seeking a paint touchless system that relies on a touching paint guide that is bolted or screwed onto the shell is a lost cause. I remove those common BB cable guides (usually secured by a short M5 screw) often enough for cleaning during service and find grime and paint issues under the guide. So if you want no paint issues then you can't have anything touching that paint. Simple.

I don't know of any commercially available guide that has the guiding grooved sized for housing. It would not be hard to make something like that from a block of, say, plastic and then bond it to the shell. The bonding if done well would pretty much prevent grime from migrating under the guide. But then you'd have the "glue" to deal with later when you decided to try something different. Andy

I mean it's your bike, but why not use the cable routing path the manufacturer designed the bike for?

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...hard to make useful suggestions in this case. I would probably just add some clamp on housing stop to the frame wherever I needed one.

I guess maybe I don't understand the objective, and I'm having trouble getting a mental image of the frame. If it has a cable guide already, there must have been some plan for routing them.

I should also add that I have never had internal routing before. There's a screw hole on the underside of the shell for a cable guide, but it did not include one.

The inlets on the frame near the top tube don't have stops for the housing, and the underside where the cables exit is just an open port on the downtube. Hence, full-length housing.

Underside of the frame is similar to this:

Have you tried searching for 'bottom bracket housing guides' on google?

I tried it and i saw several different types.

Maybe we could help more if we knew which model bike you have with internal routing ports and apparently no housing stops. Perhaps the bike has stops at the ports and they broke? Anything is possible!

You need to find the housing stops, bet they screwed or pushed in and someone took them out but the manufacturer should have something. Best bet without would be to run the housing through the frame and rather then putting a tight bend in the housing coming out which will add friction, zip tie the housing to the chain stays, one on each side. Don't need a bracket and zip ties are a common feature of full housing runs.

...with internal routing for your cables, the housing stops are usually accomplished with some kind of cable end, that stops the housing right at the hole.

Like this, more or less:



...it's not at all unusual for the rear derailleur cable to exit from the rear of the chain stay, in which case the only housing you need is a small piece from there to the derailleur. But there are many variations on this theme.

I'll get some more pictures when I get home tonight, close up of the entry and exit points.

I'm likely just overthinking this, and could be missing something painfully obvious. As I mentioned before, this is my first frame with this setup, and I'm very focused on details like this with my builds.