BMX - Disc brakes on a BMX bike?

You have two options, neither of which are cheap, but both are trick as **** on a bmx bike.

Use the atomlab disk conversion, which only works with a flip flop hub.The Rotor mount threads onto the non-drive side of your hub, and the actual caliper mount fits between the outside of the dropout and the axle nut. A small 10mm flange keeps it from moving within the dropout. The whole thing is made of 7005 aluminum (supposedly) and weighs next to nothing. Cost: $50-$75, + Brakes

The trickest, (and only way I think you could use a cassette/disk setup on a bmx bike) would be to call up profile, and order up a mountain bike disk specific hub body, a bmx spacing axle,bmx driver, and mix-and match hardware between the two models. This requires a no-dish wheel, but in my opinion is way stronger anyway. It's super-expensive, very tedious work (you're using parts from two different spaced hubs) but it's honestly the coolest thing I've seen on a 20" bike. If you want to go this route, email me and I can tell you exactly what to order. I built one up for my first imperial trailbike, so I know what I'm talking about. Cost: $400 + Not including brakes

The real weight penalty relies on which disk brake setup you use- some being understandable lighter than others. I suggest the HOPE mini mono ti. Way lighter than any total linear -pull setup and tons more predictable since you're now stepping up to the plate with hydrolic braking power. The rotor that comes with it is small and out of the way, a six inch rotor, I think, and looks pretty cool on a 20" wheel. Performance? You'll never touch conventional brakes again. Zero slip, Excellent modulation/infinate adjustability,TRICK. Cost: around $200 each. Shop around, I've seen them cheaper.

Now comes the downside to all of this. I believe it's truly only a matter of time before this catches on in BMX, but currently BMX frames aren't designed for braking stresses centralized around the rear dropout, so depending on the material your bike is made of, it may very well break around the stays/dropout junction. Hydrolic brakes are more powerful than you think, and they can exert a tremendous amount of stress on your frame, so keep all this in mind.

Oh yeah. Good Luck.

the stress thing is true, my buddy had a specialized hardrock mtb with hydrolic disc brakes and the whole bit and his frame cracked right on the left dropout weld but he sent his frame into specialized and they sent him a new frame but a year newer

of course its true, would he just lie out his ass about that?

you would be suprized... and i no i was just giving an example to back his statement up god

It's possible to fit a Magura HS33 to a BMX, on the U or V brake mounts, depending on which you have. Probably a better option than a disc.

but if you read this whole thread you would noe that that dosent matter to him, he wants something special for his bmx not just any old brakes that fit onto the mounts his bike has he wants somthig original

It's possible to fit a Magura HS33 to a BMX, on the U or V brake mounts, depending on which you have. Probably a better option than a disc.
they'll fit, but they with bend and crack the frame

but if you read this whole thread you would noe that that dosent matter to him, he wants something special for his bmx not just any old brakes that fit onto the mounts his bike has he wants somthig original

Actually, if you read the whoel thread you'll see it was started 10 months ago. He gave up along time ago, and you guys have been flogging a dead horse since.

i vote this thread be shut down.... all in favor say i

Aye.

yah i no it started 10 months ago but people are still posting so until they stop im still gonna post

"you no" eh? maybe you shouldnt post until you have a grasp the english language

"you no" eh? maybe you shouldnt post until you have a grasp the english language

He's Canadian, maybe that's the way they do things up there.

lol man whats with all you guys and being spelling perfectionists, who cares if you can understand what the person is trying to say

im not, in fact im terrible at spelling... im just giving you a hard time... others are serious about it.

He's Canadian, maybe that's the way they do things up there.


i'm pretty sure that you're from america, and you moved to australia. don't they spell words different
"down under" mate?

Yeah, words like tyres and aluminium. But they still know when to use a capital letter, proper punctuation, and the difference between "Know" and "No".

I may have moved here from California, but I was born in NY.

Actually, if you read the whoel thread you'll see it was started 10 months ago. He gave up along time ago, and you guys have been flogging a dead horse since.
Want to borrow an image or two?
http://img16.echo.cx/img16/2789/deadhorse2zy.gif
http://img16.echo.cx/img16/3701/deadhorse28yo.jpg

Yeah, words like tyres and aluminium. But they still know when to use a capital letter, proper punctuation, and the difference between "Know" and "No".

I may have moved here from California, but I was born in NY.



what borough?

Want to borrow an image or two?
http://img16.echo.cx/img16/2789/deadhorse2zy.gif
http://img16.echo.cx/img16/3701/deadhorse28yo.jpg
Raiyn made a funny...hehe.......


not

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
why would u call it a show bike? i meen ive nearly put 1400 on my bike and its not in a show room. give me a picture of it and i will probley change my mine.

what borough?

I was born in Suffern.

why would u call it a show bike? i meen ive nearly put 1400 on my bike and its not in a show room. give me a picture of it and i will probley change my mine.

but you probably ride your bike, and it has scratches

I was born in Suffern.

i have no clue where that is

atom lab made a kit to put discs on a bmx bike. it required a flip flop hub to mount the rotor. some of the S-works race frames came with a disc mount from the factory.

atom lab made a kit to put discs on a bmx bike. it required a flip flop hub to mount the rotor. some of the S-works race frames came with a disc mount from the factory.


if you read the whole thread then you would've noticed that people have said that already

die thread.....

Seriously, why the hell hasn't this been locked yet?

i have no clue where that is

It's not in the city. You probably don't know where Rockland County is either.


I agree, this thread should be put to rest.

i didn't think disc brakes work on a bmx frame

i didn't think disc brakes work on a bmx frame

You're either ignorant, or looking to stir this thread up even more. They come stock on Norco race bikes.

d brakes are heavy...

It's not in the city. You probably don't know where Rockland County is either.


I agree, this thread should be put to rest.


I know where rockland is, i have family there

d brakes are heavy...
they are about the same weight as a bmx rim brake, just a bit heavier than mt. bike v brakes

they'll fit, but they with bend and crack the frame

Haha, if your bike's made of cheese, probably.

no, those magura hydro-v brakes are very powerful.... it will press against the rim and when it has no more room tho move the pads in, it starts to bend the sides of the rear triangle out, or break the brake mounts off.

no, those magura hydro-v brakes are very powerful.... it will press against the rim and when it has no more room tho move the pads in, it starts to bend the sides of the rear triangle out, or break the brake mounts off.

Um. no.

yes, actually it does, my friend has a set on his trials bike, and you can see it happen.... its quite simple.... brake fluid doesnt compress, so as long as you are yanking on the lever, the things have got to move in some direction....

Then your friend has a crappy frame. Mechanical or hydraulic, it's not the brakes that make the frame flex, it's the cheap frame. Before you try to argue this point, go ahead and explain why a fully loaded tandem, with 400lbs of people, bike, and gear, is able to use a Magura hydraulic rim brake without damaging the frame.

So, as I stated previously, no.

i'll tell you why it doesnt happen on your tandem, thats because the frames are built much stronger, because they are made to hold more weight.

Not my tandem. Any tandem. Old tandems made for roadies. Self-energizing cantilever brakes generate huge braking power, yet I've never heard of them bending a brake seat stay. As a matter of fact, I've never heard of a rim brake damaging a frame. Ever. Either your friend has a crappy frame, or you don't know what you're talking about.

thats because cantis use a force that goes upward (or towards the cable) most all the pressure is on the rim and cable, leaving little stress on the frame..... you ever wonder why brake arches like this one work? its because it reduces the flex, leaving more braking power.
http://www.bike24.net/images/products/p01731.jpg

If you're using an arch on your fork, it's because your fork flexes. If you're using an arch on your stays, it's because your frame is weak. The arch prevents flex. Flex is not caused by strong brakes, it's caused by insufficient strength on the frame or fork. The frame that flexes under Magura brakes would flex with a pair of Avid Single Digits.

in the end it isnt about tandems or trials bikes, this was about bmx bikes. bmx frames are in no way capable of taking the stress of these brakes... they are much more powerful than your average bmx u, or v brake

BMX frames, by design, are far more robust than just about any other frame made. There's a reason they weigh only a few pounds less than my tandem frame.

no, those magura hydro-v brakes are very powerful.... it will press against the rim and when it has no more room tho move the pads in, it starts to bend the sides of the rear triangle out, or break the brake mounts off.

Good one.
Why would brakes which are so popular just wreck your frame? They work very well with no flexing on my aluminium Pace frame, but you're telling me they will simply bend a chromo bmx frame, with much shorter tubes? Right... I shudder to think what BMX you're riding...

Occasionally you'll see someone selling screw on adapters that fit onto freewheel threads, you can then bolt your ISO rotor onto it with the normal torx screws. Easy and effective, will tighten when under forward load so little chance for failure. As for the disc tabs, drill two holes in a piece of 4-6 mm plate and weld away making sure to jig it all up square first.

They come with boosters to prevent such thing, anyhow it would never bend past elasticity.

This thread is 4 years old,But you already new that Right

http://i277.photobucket.com/albums/kk41/slidejob/MCSMISS016-1.jpg