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Disc brake question

Old 05-06-05, 03:08 PM
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Disc brake question

I'm in the process of researching my next bike and am in the midst of "the great brake debate." Are mechanical disc brakes a good option for a fully loaded touring bike? My riding partner really liked them (especially for riding in wet conditions) until this past summer when the older model (1998 maybe?) Nexaves on her bike got too warm on the back side of hills during our tour of southern Norway. My guess is that the technology has improved quite a bit since then. What do you all recommend? I can't find any reviews or user information on the Shimano M495 Mech. disc/alloy levers that are on the bike I'm leaning toward.
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Old 05-06-05, 03:17 PM
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There was a pretty good discussion of this not too long ago.
Points covered were rim failure due to rim brakes.
Stress on spokes with disc brakes.
Warping of discs.
It covered alot more.
Perhaps you could search the archives this thread.

That said I'll never go back to rim brakes, having used discs.
Planning on touring this fall, down the Blue Ridge Parkway if all goes well. That should be a good test.
I like Avid mechs, the adjustment of the caliper is simplicity, losen two bolt squeeze brake lever, hold it and tighten the two bolts.
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Old 05-07-05, 09:34 AM
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Thanks for the feedback. I did a fairly thorough search of existing threads before I posted and did not find any information about the specific model of brake (Shimano M495 Mech. disc/alloy levers) that comes on this particular bike. But I test-rode a completely different bike today and it didn't have disc brakes...so now I'm puzzling over wheels!
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Old 05-07-05, 10:50 AM
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I tour on a bike with Avid disc brakes(Surly Crosscheck). Let me be the second to say, I wont be going back to rim brakes. The Avids are just so much better IMHO. Of course the wheels are 36 spoke so the stress the brakes put on the wheels is spread out, basically its a non-issue. The only beef I have with the disc brakes is that they require more constant adjustment than rim brakes. But the trade-off is well worth it to me.
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Old 05-07-05, 03:41 PM
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Originally Posted by amahana1
I tour on a bike with Avid disc brakes(Surly Crosscheck). Let me be the second to say, I wont be going back to rim brakes. The Avids are just so much better IMHO. Of course the wheels are 36 spoke so the stress the brakes put on the wheels is spread out, basically its a non-issue. The only beef I have with the disc brakes is that they require more constant adjustment than rim brakes. But the trade-off is well worth it to me.
I have about 2600 miles on my discs, and have only adjusted them twice, in about a year. Taking up slack in the cables I do not count. Anyway recently switched to hydro's.
Have not changed the pads yet, any idea about how long they should last or way to check them?
I realize riding style will have alot to due with pad life.
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Old 05-07-05, 03:49 PM
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I would always go for discs unless weight is the most important factor - speeding down hills is a lot scarier with rim brakes than with discs-rim brakes just don´t have the same power
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Old 05-07-05, 04:01 PM
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well power depends on the brakes. I changed from avid singe digit 7's to paul compnent motolite v brakes. with the same pads there is a huge difference in power. one finger would do what two or three would do with the avid's.
but the cost for them is more then the average disc brake setup.
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Old 05-08-05, 04:48 AM
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A question for all the people using disks... What do you use for racks? It seems that disks will clog up the drop out area. Can you put fenders on?
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Old 05-08-05, 11:15 AM
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For racks it depends on the bike really. Last year I purchased a Giant OCR Touring bike, and the shop was able to add Blackburn racks, and even fenders. I haven't paid much attention to how other bikes with disc brakes are set up, but for the Gaint OCR it worked well.

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Old 05-08-05, 01:38 PM
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Originally Posted by ncscott
A question for all the people using disks... What do you use for racks? It seems that disks will clog up the drop out area. Can you put fenders on?
Mountain Man racks are designed to be used on bikes with disc brakes. Even if there are no eyelets for racks, the Mountain Man racks attach at the skewer/hub. I have heard good reviews about them.
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Old 05-08-05, 07:15 PM
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I too have a Giant OCR Touring with Avid mechanical disks. I got Tubus racks from Wayne at https://www.thetouringstore.com/ . Other than putting the fender mounts for the front wheel from the middle of the fork rather than the end, there was no trouble. These are good solid racks.
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Old 05-08-05, 11:00 PM
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Here in Australia it appears the Giant's have been redesigned to allow standard racks to be fitted by having the disc brake unit sit inside the seat stay (ie. clear of the rack mounts). Anyone know if this design is current on US Giant's??
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