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Old 03-22-05, 12:58 PM   #1
twilkins9076
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Shimano 105 STI Shifters

Does anybody know of a source of a drawing that will show me how the brake cables are attached to Shimano 105 STI's? I need to replace a brake cable, and without removing the bar tape and taking the shifter off, can't tell if it's something I want to mess with or just let the LBS handle.

Anything you can share will be appreciated!
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Old 03-22-05, 01:04 PM   #2
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GO to the shimano site, they have some fairly detailed schematic / user manuals. Yes, you can do this yourself. They slide right on and off, no biggie.
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Old 03-22-05, 01:05 PM   #3
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Piece of cake, just did it 2 days ago. Depress the lever and you'll be looking right at the end of the cable, little round end about 1/8" in diameter.'
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Old 03-22-05, 01:08 PM   #4
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Originally Posted by capwater
Piece of cake, just did it 2 days ago. Depress the lever and you'll be looking right at the end of the cable, little round end about 1/8" in diameter.'
As long as you understand the other end of it, which is a little more complicated if you don't know what you're doing.
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Old 03-22-05, 03:31 PM   #5
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As long as you understand the other end of it, which is a little more complicated if you don't know what you're doing.
What's complicated or hard to understand about the attachment to the brake caliper?
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Old 03-22-05, 03:52 PM   #6
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What's complicated or hard to understand about the attachment to the brake caliper?
I knew someone was going to ask that.

Nothing, really. But if you've never done it before you need to know how to adjust tension. Also, depending on the reason for this you might need to know how to size casing.

Not rocket science but it needs some explanation the first time.
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Old 03-29-10, 08:18 PM   #7
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is there a brake adjustment barrel or something at the levers? When I engage the brake, I see two screws exposed, one of them looks to go right above the cable stop, is that for doing tension adjustments or can I only do it on the adjustment barrel of the caliper brakes themselves?

when I went on the shimano site, it looks as if you have to do it with shims? downloading and looking at their PDF specs right now.
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Old 03-29-10, 08:28 PM   #8
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Is your cable housing worthy of a new cable?
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Old 03-30-10, 08:33 AM   #9
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is there a brake adjustment barrel or something at the levers?
No. It's at the caliper.

Quote:
When I engage the brake, I see two screws exposed, .
On the lever? Leave them alone. They have nothing to do with the brake.
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Old 03-30-10, 08:16 PM   #10
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http://techdocs.shimano.com/media/te...9830686067.pdf

Try this site.
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Old 03-31-10, 12:15 PM   #11
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Piece of cake, just did it 2 days ago. Depress the lever and you'll be looking right at the end of the cable, little round end about 1/8" in diameter.'
Also, don't forget to swing the shift/brake levers all the way towards the stem (as noted in the Shimano instructions) before depressing the lever. This allows the brake lever to be pushed in farther, making it much easier to get at the brake cable. I forgot to do this on my Ultegra levers a while back, and ended up having to ask for help here, when I should have RTFM'ed.
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Old 04-05-10, 07:49 AM   #12
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thanks Doug64, looked at that document and ya, looks like the only adjusting can happen at the caliper. there is some looseness on the line that I was trying to get rid of; will just have to redo it at the brake end.
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