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Why are there cable guides on my non-diskbrake forks?

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Why are there cable guides on my non-diskbrake forks?

Old 02-03-21, 04:01 PM
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joefelixj
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Why are there cable guides on my non-diskbrake forks?

These forks have what seem to be cable guides brazed on to the back of my forks, yet no disk brake mount.
Or are they actually for something else?
It won't let me post the picture because I have under 10 posts...


Thanks!
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Old 02-03-21, 05:33 PM
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Originally Posted by felipe.m View Post
(can't post the link here yet)
sure you can. Just write it in the plain text portion of your message. Remove the https:// and try putting a space before and after the "." or change the ".' to "dot".

Then it's no longer a URL, the spam filters won't balk and the spam police won't come to your door.

We'll figure out how to make it a workable URL again.

can I compensate a small frame on bigger seatpostand stem?

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Old 02-03-21, 05:39 PM
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Maybe for dynamo hub wiring.
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Old 02-04-21, 03:03 AM
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Could be for dynamo wiring, could also be that they were designed for hub brakes, other than disc brakes, like drum brakes or roller brakes.
What kind of bike (brand & model) is it?
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Old 02-04-21, 09:52 AM
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In my experience, the Asian contract manufacturers who build the vast majority of our bikes are meticulous about giving you exactly what you ask for. If you give dimensions for an 'English' threaded bottom bracket on a frame but don't specify the threading, don't assume they will cut threads - you are more likely to get a frame that needs 1.37" bearing press fit in place.

I would guess that there was an original design of a fork for disc brake usage and a product manager somewhere said 'make me 500 of the same design but without the disc mount', and the manufacturer removed the caliper mount and noting else.
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Old 02-04-21, 11:08 AM
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Then it's no longer a URL, the spam filters won't balk and the spam police won't come to your door.
Ok this is the pic i.imgur . com/q9vrGTE.jpg

Could be for dynamo wiring
Ah yes it could well be!
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Old 02-05-21, 08:33 AM
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Originally Posted by joefelixj View Post
Ok this is the pic
Right, so that is definitely not on the normal side for a disc brake cable. My best guess is indeed for a dynamo wire. Just zip tie that sucker in place. The tabs however are very much for brake cables since they are fairly big.
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Old 02-05-21, 08:45 AM
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Right, so that is definitely not on the normal side for a disc brake cable. My best guess is indeed for a dynamo wire. Just zip tie that sucker in place. The tabs however are very much for brake cables since they are fairly big.
haha ok so brake cable tabs used for dynamo wire...
I bought the forks for fairly cheap from a bike shop, unpainted and stand alone. So maybe they were some weird mistake.
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Old 02-05-21, 09:13 AM
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Agree that those tabs are on the wrong fork leg for disc brake cables or hoses so they have to be for dynamo wiring or just a manufacturing error.
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Old 02-05-21, 10:58 AM
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If the Magura hydraulic rim brake shown in the pic is original equipment on the bike, maybe it was a bike originally sold in Germany for commuting/trekking. I think most of those brakes were/are in use in Germany, Dynamo wiring guides on the fork would make a little more sense in Germany, dynamo lighting is very common there and might even be legally required. Leading companies in dynamo hubs/lights are German companies, FWIW (Schmidt, Supernova, etc). I will say those guides on the fork leg are overkill as a dynamo wire guide, though.
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Old 02-05-21, 11:05 AM
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I think the forks were originally designed for Walnart so when the fork is installed backwards the bike will still stop.

John
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Old 02-05-21, 11:58 AM
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Think I may have seen something similar on BF prev. Are these about a spokes length apart. If I recall, they are to hold spare spokes. The top and bottom get zip ties thru them. Spokes go into the top with the "J end" so they don't slip down, and the bottom one holds the threaded end of the spoke.
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Old 02-05-21, 12:07 PM
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Originally Posted by freeranger View Post
Think I may have seen something similar on BF prev. Are these about a spokes length apart. If I recall, they are to hold spare spokes. The top and bottom get zip ties thru them. Spokes go into the top with the "J end" so they don't slip down, and the bottom one holds the threaded end of the spoke.
I've seen that done but the spare spokes are usually attached to a seatstay or chainstay.
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Old 02-05-21, 12:10 PM
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Originally Posted by freeranger View Post
Think I may have seen something similar on BF prev. Are these about a spokes length apart. If I recall, they are to hold spare spokes. The top and bottom get zip ties thru them. Spokes go into the top with the "J end" so they don't slip down, and the bottom one holds the threaded end of the spoke.
I don't think so. The spoke holders I've seen require no zip ties, the spoke gets locked in firmly to the frame without any extra ties or bits.



Zip-tying spokes to a fork leg seems like an accident waiting to happen.
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Old 02-05-21, 12:25 PM
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Originally Posted by tyrion View Post
I don't think so. The spoke holders I've seen require no zip ties, the spoke gets locked in firmly to the frame without any extra ties or bits.



Zip-tying spokes to a fork leg seems like an accident waiting to happen.
Wouldn't argue with that! Know I wouldn't do it! Tried to find the original post, but no luck.
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Old 02-07-21, 06:06 AM
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If the Magura hydraulic rim brake shown in the pic is original equipment on the bike, maybe it was a bike originally sold in Germany for commuting/trekking. I think most of those brakes were/are in use in Germany, Dynamo wiring guides on the fork would make a little more sense in Germany, dynamo lighting is very common there and might even be legally required. Leading companies in dynamo hubs/lights are German companies, FWIW (Schmidt, Supernova, etc). I will say those guides on the fork leg are overkill as a dynamo wire guide, though.
Good detective work. I am indeed in Germany. (I bought the forks stand-alone though, and fitted them to my bike)
There are a lot of dynamos in Germany too, like you say, so it seems like a viable reason.
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Old 02-07-21, 06:11 AM
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I think the forks were originally designed for Walnart so when the fork is installed backwards the bike will still stop.
There's no walnart in Germany I think more likely to be a weird Chinese made thing that ended up here.
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Old 02-07-21, 06:11 AM
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This is the full build so far (if anyones interested )

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Old 02-07-21, 06:45 AM
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I don't think I have ever seen brakes quite like that before. Can you describe them (brand, type, hydraulic/mechanical, do you like the way they work, etc.) and show other photos?
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Old 02-07-21, 09:20 AM
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Originally Posted by ARider2 View Post
I don't think I have ever seen brakes quite like that before. Can you describe them (brand, type, hydraulic/mechanical, do you like the way they work, etc.) and show other photos?
Those are old school Magura hydraulic. One of the best back in the day. Probably still are.
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Old 02-08-21, 03:10 AM
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I don't think I have ever seen brakes quite like that before. Can you describe them (brand, type, hydraulic/mechanical, do you like the way they work, etc.) and show other photos?
As 2cam16 said, they are Magura breaks. As far as I can tell they are HS33s, most likely late 90s or early 2000s. They are hydraulic rim brakes and mount onto cantilever bosses.
They still make them today, largely unchanged: https://www.magura.com/en/components...ilpage/?p=2597

I haven't had a chance to use them loads yet, but they seem very good so far. Strong breaking power, nice feel on the levers etc.
Also they are v simple to change pads and bleed etc, and apparently they last for ever!
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Old 02-08-21, 03:15 AM
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Pics of brakes for ARider2:





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