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Old 03-04-08, 09:15 PM   #1
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I have a few noob questions about disc brakes

So at this point it looks like I'm getting a late 90's specialized frame for my urban assault bike. I'm 99.99% sure these bikes never had disc brakes as an option, but rather they would have used V-brakes. However, it seems that I can find disc brake wheelsets for cheap such as these:

http://cgi.ebay.com/Mavic-X117-Disc-...QQcmdZViewItem

As well as numerous others.

Here is where I'm confused: Where does one mount the brake caliper? Can I use it on any old frame as long as the wheels are compatible? Can I use normal cables and brake levers for these?

I don't need them really, but I just figure why not.
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Old 03-04-08, 09:23 PM   #2
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if your already completely setup with v brake, dont switch. The caliper mounts to the frame in two holes above the rear dropouts, the one in the front mount on the fork. Most likely a late 90's frame will not have these holes for calipers. So i wouldnt bother any farther. If you do though, cables can be used for cable disc brake calipers, dont bother with hydraulics since you dont know enough about disc brakes yet.
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Old 03-04-08, 09:33 PM   #3
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Alright that's what I figured. The bike isn't set up with anything at the moment but I have a decent set of v's I can take off a destroyed bike.

Any suggestions on v-brake wheels, or should I go to the LBS and ask for the house special? (I think they carry bontrager here).
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Old 03-04-08, 09:37 PM   #4
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while it would be the best option, you will pay more at your LBS, so ask what they got thats any good, use up their time, walk out of their shop buying nothing, then find the same pair on ebay for half price.



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Old 03-04-08, 09:39 PM   #5
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Search the web and Ebay- you should be able to get a great deal on v-brakes, since they are so out of date anymore- say XT or XTR's.
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Old 03-04-08, 09:41 PM   #6
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Search the web and Ebay- you should be able to get a great deal on v-brakes, since they are so out of date anymore- say XT or XTR's.
I wouldnt go that heavy unless your really serious, you will still pay out the nose for XT or XTR
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Old 03-04-08, 09:42 PM   #7
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while it would be the best option, you will pay more at your LBS, so ask what they got thats any good, use up their time, walk out of their shop buying nothing, then find the same pair on ebay for half price.



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I try to support them when I can, but sometimes it's hard to justify spending as much as they mark up on some stuff
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Old 03-04-08, 09:44 PM   #8
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I wouldnt go that heavy unless your really serious, you will still pay out the nose for XT or XTR
I'm not gonna lie to you guys, the bike won't see any heavy duty trail riding. I'm definitely going to beat on it, but I doubt it will be anything like what some of you do. I can get away with cheaper wheels..
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Old 03-04-08, 09:44 PM   #9
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sry im sour to my LBS, they are jerks there.
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Old 03-04-08, 09:46 PM   #10
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sry im sour to my LBS, they are jerks there.
lol I'm sure it's hit and miss. The people here are patient and helpful, and they've yet to be a-holes. They've helped me find some really really obscure stuff for some of my road bikes
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Old 03-04-08, 09:47 PM   #11
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I'm not gonna lie to you guys, the bike won't see any heavy duty trail riding. I'm definitely going to beat on it, but I doubt it will be anything like what some of you do. I can get away with cheaper wheels..
Defintely, i ride some serious "pieces" and im fine taking 7 foot drops, and weigh about 150.
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Old 03-04-08, 09:48 PM   #12
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I wouldnt go that heavy unless your really serious, you will still pay out the nose for XT or XTR
Yeah, hard to cough up 30 bucks...

http://www.jensonusa.com/store/produ...0+V-Brake.aspx
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Old 03-04-08, 09:49 PM   #13
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lol I'm sure it's hit and miss. The people here are patient and helpful, and they've yet to be a-holes. They've helped me find some really really obscure stuff for some of my road bikes
No joke, the LBS i go to has a policy that they dont give away boxes. They also charge above MSRP for their items and act like its a chore when you ask them anything about their bikes. Out of the whole shop i think only one guy actually bikes.
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Old 03-04-08, 09:49 PM   #14
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Thanks for the link... now can you find WHEELS that cost that much?
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Old 03-04-08, 09:51 PM   #15
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Defintely, i ride some serious "pieces" and im fine taking 7 foot drops, and weigh about 150.
7 feet is intense... I don't think I have the balls to do half that (mt bike noob)
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Old 03-04-08, 09:51 PM   #16
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My bad, i was refering to a wheelset.
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Old 03-04-08, 09:53 PM   #17
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7 feet is intense... I don't think I have the balls to do half that (mt bike noob)
It isnt that bad, its like diving off a high board or something. Once your in the air it just happens. It helps to have a bike that feels sturdy. I ride 6 inches of dual travel which isnt nearly neccesary for drops but adds alot of confidence.
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Old 03-04-08, 09:58 PM   #18
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Defintely, i ride some serious "pieces" and im fine taking 7 foot drops, and weigh about 150.
What's your bike setup for doing 7 foot drops? Frame? Fork?
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Old 03-04-08, 10:02 PM   #19
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What's your bike setup for doing 7 foot drops? Frame? Fork?
Specialized enduro, with manitou nixon platinum 145mm (No, its not standard manitou, its one of the few manitous that actually work, yet ironically its still not popular) (and my bad, its 4 inch travel in the rear, fox float R) with hydraulic brakes (they really do matter on drops)
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Old 03-04-08, 10:06 PM   #20
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Specialized enduro, with manitou nixon platinum 145mm (No, its not standard manitou, its one of the few manitous that actually work, yet ironically its still not popular) (and my bad, its 4 inch travel in the rear, fox float R) with hydraulic brakes (they really do matter on drops)
I lust for an Enduro.
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Old 03-04-08, 10:12 PM   #21
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Thanks for the link... now can you find WHEELS that cost that much?
Take a look around, there are deals to be found.

http://www.jensonusa.com/store/produ...+Wheelset.aspx
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Old 03-04-08, 10:15 PM   #22
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Take a look around, there are deals to be found.

http://www.jensonusa.com/store/produ...+Wheelset.aspx
That's not terrible. So are those like the cheapest acceptable wheels? lol
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Old 03-04-08, 10:18 PM   #23
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mazdaspeed-

That's about as good as it gets for inexpensive decent wheels. Buy 'em.
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Old 03-04-08, 10:26 PM   #24
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Here is where I'm confused: Where does one mount the brake caliper? Can I use it on any old frame as long as the wheels are compatible? Can I use normal cables and brake levers for these?

I don't need them really, but I just figure why not.
There is a way; and I'll show you when you get the frame (BTW, I misspoke; it may be more mid-(?) than late-90s - - it does have a 1 1/8" head tube, though).

It will require a little fabrication work with some 6061 aluminum angle, but you can fabricate a "sharkfin" - - a bracket that attaches to the dropout or the axle and runs up to the left V-brake boss. If you build it right, there will be a spot you can drill for your caliper mount. Specialized used a nicely-forged and formed sharkfin for the early FSRs that did not have built-in disc tabs.
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Old 03-04-08, 10:34 PM   #25
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I think I see what you mean. I might just scratch the disc idea to save some cash and get the bike up and running (riding?), I'll have to think about it.
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