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I couldn't seem to google the answer to this. Kind of need to know if I can do it at home, or all 6'3" of me ride a 15" framed bike 2km to the nearest LBS to get done.
I bought new fitted brakes. I have a bleed kit. But before I go taking a spanner to the lever end to route the rear brake, will the hose go through the bike rubber covers that seem only to fit the hose and not anything around it like, say, a nut of some sort?
I don't actually know how the hose end at the lever is secured. Something I've never done. I even let an LBS worker near me quickly swap over my hoses at the levers (because they were reversed) and I didn't watch what he was doing to know.
In my experience you can't get the nut through the frame, so you have to cut the hose and then fit a new olive and nut. If you know what you're doing then it isn't hard ... but if you're asking the question it probably means you'll need someone to do it for you, i'm afraid.
My worse nightmare not got the tool or spares to do that. LBS job. Thanks.
I don’t actually know how the hose end at the lever is secured.
A tiny metal insert goes into the tube - to prevent it being crushed flat. Then a brass Olive is slid over the end of the tube and the nut, which tightens it all up, deforms the soft olive slightly to get a seal on the brake leaver.
The olive will be crushed onto the hydraulic pipe so very hard to get off once the nut has been done up. Either cut if off and use a new olive or just cut the piece of tubing off with it on (but only if you have enough spare cable for steering etc to work properly).
https://epicbleedsolutions.com/blogs/guides/shorten-shimano-hoses-without-bleeding
Just because you're asking the question doesn't mean you can't do it. Quick 10 minute video on YouTube, order the olive, insert, hose clamp (not 100% necessary but makes it easier) etc and go for it.
+1 for watch a YouTube vid and have a go yourself.
Do you really want it internally? Just because the frame has the option you don't have to use it. A couple of cable ties and the job is done. I know it doesn't look as clean but I'll live with that for the practicalities.
I'm seriously considering nickjb's approach for a frame I'll be swapping stuff onto later this summer, at least temporarily. I did the same with a Klein frame 20 years ago and it was fine.
In my experience you can’t get the nut through the frame, so you have to cut the hose and then fit a new olive and nut.
This, then bleed it.
It's not a horrific job, especially if you've got mineral oil in your brakes. I bought a cutting tool for the hose and a needle driver to fit the insert in the end. Made it quick and easy, but I bet a lot of the stress depends on how easy it is to route the hose through your frame!
https://www.tredz.co.uk/.Jagwire-Spaceage-Hydraulic-Hose-Cutter_84916.htm?source=aw&awc=6821_1654021425_ad90ebd1d3e6765d360a1d2220ca8622&utm_source=aw&utm_medium=648417
https://www.tredz.co.uk/.Jagwire-Needle-Driver_84901.htm
@footflaps, perfect, that's what I needed. Sometimes I think being out of the country so long has caused my vocabulary to shrink when I'm googling.
Yeah, feeding the rear brake or mech cable through is dead easy on this frame. It's the dropper post cable that was a nightmare.
But only the hose will go through the removable feed cover on the frame and that's the issue. It's made of aluminium so I can't cut it, pull it around the hose and then screw back into the frame (I did consider it!)
@Montgomery I will look at hose guides that stick on. I couldn't search by words, but that pic on ebay could be entered into the search engine here so I found them. The ziptie and adhesive is a good idea as I live in a sub-tropical mountain area. Very hot and humid in summer. Adhesive on it's own wouldn't work and now I'm sure I've seen some pretty ones like the ones you've shown, but smaller and without the ziptie hole. Actually, to avoid faff, although I will be "ruining" the look of the new bike, maybe this is an acceptable solution.