Magura help needed

[chickenbones]

I have a frame with u brake bosses in the rear. I also have some magura hs11. Ive bodged one side to fit well enough, but can't get the other fitted without it fouling the rim. I have a few questions

Are the support arm things moveable at all, if so, how? That might fit my issue I think.

Secondly, do the brackets for the new versions work with the old?

Finally, if you have spare front parts of the bracket and are willing to sell, please let me know!

Thanks

 

[FluffyChicken]

Get some pictures up.

 

[My_Teenage_Self]

yup, need pics. Maguras can normally be fitted to U brake mounts by just flipping teh mount, and maybe a touch with a file.

 

[My_Teenage_Self]

Hold on - just read your post properly!

yes, the ears/arms are adjustable. Some are splined, most are just a push fit in a taper. Get a spanner on them and they should rotate, but might need a bit of force to get them moving .Obviously you'll need to remove the bolt first.

 

[chickenbones]

I've done all the filing, possibly too much, which is why I was wondering about spares. The arms/ears feel pretty stuck but I'll soak them in gt85, see if that helps any. I'll get pics up a bit later.

 

[ishaw]

As mentioned, fitting the mounts upside down is something I've read works for u brake boss fitting. The bit I think you are talking about should be adjustable once the bolt is removed and you can push it clear of the splines.

 

[chickenbones]

They're already on upside down. Like I said, I may have filed too much which won't help. (It's pretty jammed against the rim in this picture but it's not set up properly). It's been so close at times that I tried filing down the arm a bit because I tried and failed to move it

 

[ishaw]

You shouldnt need to file the mount like that, the mount usually has a plastic shim that is used to position the calliper inboard or outboard. It's usually a split bit of plastic with a groove/grooves on to slot into the calliper and hold it when you bolt the clamps together. It's been a while since I've worked on some, but something like that at least.

 

[chickenbones]

Don't remember having anything along those lines. I'll have another crack at the arm tomorrow , hopefully I'll be able to shift it and that'll give me a bit more room to work with.

 

[My_Teenage_Self]

yep, get a spanner on the silver bit and it should turn.

As said, there should be a plastic sleeve between the clamp and teh cylinder body; https://www.tartybikes.co.uk/hydro_...hc2MiO3M6MTA6ImNvdW50cnlfaWQiO3M6MToiMSI7fQ==