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Old 08-22-04, 09:39 PM   #1
kjj512
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Disc brakes on a BMX bike?

I have spent alot of money trying to make my bike the best it can possibly be. But lately i have been having some problems with my brakes. I was just wondering if anyone knows of a kit or a easy way to fit disc brakes on a BMX bike. My rear wheel has a simple flip flop hub set up so there's nothing too complicated back there. If anyone has any info about this i will be really thankful.

Kevin
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Old 08-22-04, 10:41 PM   #2
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I am not sure if there are any disc sets for bmx, though you may find a racing bike or two that offers that option.

For freestyle, there is no way in the world that disc brakes are appropriate because of how often people land on the side of their wheels and would trash the disc.

Now, that said, the better option is to simply make your brakes work and ask about what you need to do and provide details on the type of brake setup that you currently have.

The best brakes in the bmx world if you run a dry bike is to use chrome plated rims, with teflon lined cables and 990 or Evolver brakes and some decent brake pads. You will stop on a dime as long as you keep the cables well lubed.
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Old 08-22-04, 11:21 PM   #3
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Im sorry i neglected to metion i am strictly a dirt rider so disc brakes would not interfere with my riding. also this bike has become almost a show bike from all the work i put into it and i was really looking to add one last touch to make it completely unique

Kevin
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Old 08-23-04, 02:06 AM   #4
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they used to sell disc brake kits at dans comp a few years ago for like 100 bucks
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Old 08-23-04, 02:17 PM   #5
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I believe there is a kit on ebay right now, its one of the kits that Dans Comp used to sell. Talk about old school, I can assure you there is almost no benefit over a nice set of V-Brakes, and you will definately save trouble and money and you won't have brake posts justing out of your frame with nothing on them. Just throw some coin down on a Shimano XTR brakeset with some expensive cable and an XTR brake lever, those who know will know thats is about as bling bling as it can get!!!
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Old 08-23-04, 02:18 PM   #6
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i thought anything except bmx racing was freestyle?
thats right isnt it?
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Old 08-23-04, 02:19 PM   #7
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Or, figure out how to make a decent drum brake for BMX bikes and install that bad boy on your bike. Cut the brake posts off and file your frame smooth, have it custom powder coated, with perfect brakes, but no visible calipers.

There's some sleeper style going on with that.
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Old 08-23-04, 02:22 PM   #8
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Thanks for all the suggestions i know no matter what im goin to put something special on my bike i dont know yet whether it will be traditional or completely out there but ill be sure to tell u guys what i did and post some pics. keep the suggestions coming thanks

Kevin
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Old 08-23-04, 02:29 PM   #9
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Well, the filing and powdercoating is a good idea, but he still has to find the disc brakes!! hehe
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Old 08-25-04, 07:54 PM   #10
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what problems do you have?
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Old 08-25-04, 08:55 PM   #11
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im just looking to upgrade my brakes from linear pull V brakes and i was looking into disc brakes because i know there very powerful and reliable. I think there may be away to do it but its drastic and im not sure i want to try it on something that costs so much. It would involve boring out and threading the rotor to fit on the side of the F/F hub and then put a bolt on to keep it in place. then i would have to weld a bracket onto the frame to mount the caliper. Its alot of work just to have something completely unique. It would also be hard to find a place that would let me machine the rotor and use a welder. Its a dream im still looking into ill let u guys know how it comes out when and if i ever attempt it.

Kevin

Last edited by kjj512; 08-26-04 at 04:35 PM.
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Old 08-25-04, 11:13 PM   #12
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I see the drum brakes for things like go-peds and scooters and such. Now that I think about it a few really old schwinns had them. (50's) It would be neat to convert one of those with a bunch of spare time (just for the heck of it) and lots of tools and junk metal to fit a 20 incher.

It really is not that hard to find a welder to rent by the way. Do you know how to weld?

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Old 08-26-04, 04:35 PM   #13
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I have heard about drum brakes but I'm not to familiar with them. I also think they would take alot of fabrication to fit on a BMX bike. My brother works on cars alot but he is very underfunded. He knows how to use all the tools I would need to make this work but as of now he only has access to them at his school 7 hours away which is also where he is now.

Kevin
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Old 08-26-04, 08:46 PM   #14
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yes im in the process of making somethin like that, a bike for an 8 to 9 foot rider, i have a gt bmx bike and im gonna extend the top and downtube 10 inches and have one heck of a gt cruiser, try pullin a bunnyhop on that beast, we have welders too and we know the correct heat, we just gotta get some hi ten or just normal steal tubing
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Old 08-26-04, 09:34 PM   #15
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I want to seem some pictures of that when you get that done. That bike would kick so much ass its not even funny.
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Old 08-27-04, 08:22 PM   #16
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Go for good metal. Trust me it is more than worth it. Cheap soft metal on a chopperbike will just bend when you sit down I have done it before.
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Old 08-27-04, 08:33 PM   #17
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lol ya we just got some old metal tubing about the same size as the gt frame metal, we'll cut the old top and downtube off, measure and cut the other bars to the right length and weld them to the seat tube and headtube, it wont be that hard, we got a welder and an acetaline torch, then we got spray paint to paint over the chrome of the whole bike since the new bars arnt gonna be chrome, too expensive, so ill have a black or red or whatever colored gt with very long head and downtube, srry if that was hard to understand^^ we also got a digital camera, so ill have pics up here hopefully, itll be a project and im not sure we can do it
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Old 08-28-04, 06:03 PM   #18
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Im a mountain biker but i have a bmx bike that a dirt jump sometimes and I always wanted to put disks on it but never looked into it. Now that you've made this post i think im gona try it.
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Old 08-28-04, 06:07 PM   #19
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If you actauly get something to work let me know.
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Old 08-28-04, 09:28 PM   #20
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http://www.bmxonline.com/bmx/bike_te...381216,00.html
a good description...I saw this thread lay useless with no one even bothering to search, so I searched, further searches on the products mentioned in that interview will find you all of the parts needed, now go!
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Old 08-28-04, 09:32 PM   #21
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Looks like it's all atomic and dia-comp stuff. It looks like the adapter is inbetween the locknut and the drop out am I wrong?
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Old 08-28-04, 09:56 PM   #22
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Hayes made a kit at one time too, but I havnt found one for sale to post on here. Yes, there are adapters that mount inside of the dropout and some that mount on the chain stays.
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Old 08-28-04, 09:58 PM   #23
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Thats really cool but I am suprised to see it on a racing bike because it would be kinda bulky and heavy right.
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Old 08-28-04, 10:01 PM   #24
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not heavy at all, actually it would have ZERO use on a freestyle bike as one grind would destroy a disc, furthermore I believe with a proper caliper it can be as light as an average V-Brake set up, however a set of Shimano XTRs with an XTR brake lever are as light as it gets!!!
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Old 08-28-04, 10:04 PM   #25
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Yea it would be useless for parkuse but I have seen one on a dirt jumper before.
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