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Old 01-05-2012, 07:08 PM   #1
k12lts OP
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Braided Stainless brake lines 81 R100RT

I need to replace the rubber brake lines on a newly aquired 81 R100RT. Any suggestions on brand or best price?

The best I've found are at Moto Bins in the UK.
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Old 01-05-2012, 07:19 PM   #2
Beamer Bum
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Spiegler

Spiegler has kits for your bike. http://www.spieglerusa.com/brakes/cy...line-kits.html.
Made in USA and the braided lines make your brakes feel much firmer.
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Old 01-05-2012, 07:43 PM   #3
SOLO LOBO
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Call cyclebbrakes.com they do custom Galfer's for something like $60, with a discount to ADVR's
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Old 01-05-2012, 08:15 PM   #4
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Quote:
Originally Posted by k12lts View Post
I need to replace the rubber brake lines on a newly aquired 81 R100RT. Any suggestions on brand or best price?

The best I've found are at Moto Bins in the UK.
I have used Spiegler's on a couple of my bikes and the difference in braking is significant but I'd also suggest that you rebuild or at least bleed your brakes for the best results.

With an unknown, used bike, I like to rebuild em.
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Hawk Medicine screwed with this post 01-05-2012 at 08:23 PM
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Old 01-05-2012, 08:32 PM   #5
Voltaire
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I've just spent the last couple of days on mine.....rebuilt the 40 mm ATE calipers, fitted a new Brembo 13mm master cylinder...but the old hoses for test purposes.
Took me ages to get the air out....ended up with the calipers removed, sitting bleed nipples up on a box with a 25mm bar inserted in the calipers....
Got a reasonable 'pedal' but could with some effort pull the lever to the grip.Used up over a litre of fluid...
Today got some Allegri brand hoses that you buy in pre made lengths and bolt/loctite on the couplings.
Braided hoses used to be illegal here in NZ but this type meet our local standards.
Just finished my initial setting with the new hoses using the refined box/bar method....have already got a better 'pedal' on the lever, only 250 mils.....getting better at this...
Going to leave the lever with a carb rubber ring on it overnight and go and have a beer....its 24C here
I put a set on my Bevel a year or so back and it was definitely an improvement over the original 1978 ones...
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Old 01-05-2012, 08:33 PM   #6
boxerboy81
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The common upgrade from the oem brake lines are ss lines. After 30 years, they'll feel fantastically improved over the discards. So will a set of oem rubber lines, and they'll feel just as good as new ss.

With the multitude of ss options available, I'm guessing they'll be cheaper??

Another option is Venhill, via ebay.

Voltaire...try loosening the master cylinder and tilting it a bit to allow the air to bleed better. A mate does it that way and swears by it.
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Old 01-05-2012, 09:08 PM   #7
wirewrkr
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Incredibly short memories you guys have.
BMWRENCH makes these line to order.
www.thenickwackettgarage.com
He's gives professional advice here constantly
for free.
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Old 01-05-2012, 10:46 PM   #8
boxerboy81
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Quote:
Originally Posted by wirewrkr View Post
Incredibly short memories you guys have.
BMWRENCH makes these line to order.
www.thenickwackettgarage.com
He's gives professional advice her constantly/
for free.
From his website...

Quote:
Custom Brake Lines There are now several companies making braided hoses, but mine are the only ones made by someone who is intimately familiar with BMWs and classic Triumphs. If you have a problem with the fit, or need a custom hose, you can call me. You’ll be speaking to the guy who makes them and has probably installed them on a bike just like yours.
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Old 01-05-2012, 11:16 PM   #9
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New braided teflon is a lot better than new rubber and lasts a lot longer too. My braided teflon lines are over twenty years old and they are just as firm as the day I got them. I have recently seen a rash of trouble caused by rubber lines going bad. Why bother with it.
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Old 01-05-2012, 11:43 PM   #10
motu
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I fitted new pads and changed my brake fluid a couple of days ago - as an experiment I clamped the hose at the top, and the lever was rock hard.... then I clamped at the bottom of the hose and it was rock hard. With no clamp there is some softness in the lever. No real test with new pads of course, but I'm pretty confident there is no flex in my old rubber hoses. I might have to get my wife to recheck for me as I'm a bit weak - I tend to cry at sad movies.
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Old 01-06-2012, 12:57 AM   #11
Tosh Togo
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Originally Posted by motu View Post
I fitted new pads and changed my brake fluid a couple of days ago - as an experiment I clamped the hose at the top, and the lever was rock hard.... then I clamped at the bottom of the hose and it was rock hard. With no clamp there is some softness in the lever. No real test with new pads of course, but I'm pretty confident there is no flex in my old rubber hoses. I might have to get my wife to recheck for me as I'm a bit weak - I tend to cry at sad movies.

"Clamped"?... please explain what that means.
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Old 01-06-2012, 01:54 AM   #12
motu
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Brake hose clamp - used when doing work on brake systems. I usually clamp the hose so when I push the pistons back fluid won't go back up into the master cyl. Also used in brake diagnosis (on cars) - clamp each wheel to see where problems are.
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Old 01-06-2012, 06:32 AM   #13
k12lts OP
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Quote:
Originally Posted by wirewrkr View Post
Incredibly short memories you guys have.
BMWRENCH makes these line to order.
www.thenickwackettgarage.com
He's gives professional advice her constantly/
for free.
Thanks for all the tips, I sent an email to these guys today.
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Old 01-06-2012, 06:57 AM   #14
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I have also used Spiegler's SS lines on my 81 RT. Got the complete kit that included the one for the back brake as well. Made a huge improvement. I have installed Spiegler lines on many bikes and have always found the fitment to be just about perfect.

Easiest way to bleed the back brake and actually make it work is to leave it on the bike. Get a couple of large syringes and use one to suck all the brake fluid out of the master cylinder, Then fill the other clean one with new brake fluid and use a small piece of clear tubing to attach it to the bleed nipple on the caliper, open up the nipple and slowly force brake fluid into the system. Eventually it will fill the master cylinder. Do this a couple of times and you should have a good solid brake pedal. I flush my brake fluid every 2 years this way. Always have a good working rear disk on my bikes.

As to the person that clamps his brake hose so that he can press the caliper pistons in without brake fluid going up into the master cylinder. Just were the hell does it go then? Also, I don't believe that clamping a hose does it any good, tends to weaken the hose at that point and will become a failure point. On something so critical as the braking system, I would not want to do anything that may compromise it, especially in an emergency stop situation.
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Old 01-06-2012, 09:42 AM   #15
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If you want to make your own, pull the hoses on the bike, measure the diameter and threads of the banjo bolts and fittings. Then carefully write down what fittings go where, the number you need and go to Advance Autozone and order Earl's brake line stuff. It'll take a few days to get in, assemble it and you'll be done.
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