Hi,
I agree the "Kunifer" lines are pretty darned good and relatively easy to install. Hardest thing about it is straightening the coiled lines when the kit arrives.
I also felt compelled to shorten a few of the runs that are purposely left long in the kit, so ended up flaring a few fittings.
I do think the kit "missed the boat" a little by not including a clutch hydraulic line. (Or the vendors - if any are listening - would do well to start carrying a nice, matching one, to make available if it's not added to the kits in the future.)
Next step up, IMHO, would be stainless steel, but it's a lot tougher stuff to work with. Really requires a perfectly made up kit, or special flaring tools if any cutting is needed. It's also quite a bit more expensive.
I did find a tubing bender handy to make nice, clean bends. And I avoided the lime green "plastic pegs" that were supplied with the kit to mount the lines to the frame. Could have reused the original brake line mounting clips, or bought new repros. Instead I used rubber-lined stainless steel clamps that are held to the frame with rivnuts, stainless steel screws and Locktite. Takes a little longer to do this, just my prefered method for securing those lines (and fuel lines).
I'd recommend the Kunifer kits, which are available from all the major vendors. There usually will be some left over pieces, as the kits cover several models. If you do any flaring, carefully check the old line first. Some fittings on Triumphs are double flares, others are "British bubble", which is essentiall an incomplete flare.
Woah! I've heard of putting sand inside pipe when bending it, but never heard of doing it with brake lines! I think I'd avoid that like the plaque, just due to the distinct possiblity of contaminating the system.
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