Questions tagged [bmx]

BMX is a style of off-road bicycles used for racing and stunt riding. It also refers to the sport itself.

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2answers
4k views

disk brake rotors mounting on bmx hubs

Preface: I am going to start building out new bike for myself and decided to put disk brakes on my new bmx build as an additional challenge. I am old school and prefer brakes on front as well, it ...
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Can anyone identify the maker of this bike? Year?

Square seat stays round chain stays. enter image description here
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2answers
384 views

Do you know the make of this BMX bike?

Do you know the make of this BMX bike? The only identifying mark is a stamped M on the rear of bike. Picture of frame stamped on trackend/dropout at right-rear of bike.
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3answers
607 views

How do I fix a loose saddle?

My seat on my bmx turns literally on every bump. If I tap it it'll turn and normally fall off.. The teeth on the seat look to be fairly worn. I don't really want to spend any money as it's just a ...
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50 views

What year is Dyno “air” anodized red 3mag wheel

What year is my Dyno "air" anodized red 3mag wheel?
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1answer
138 views

Identify this BMX logo please?

Hi all, having trouble identifying this logo found on my Bmx frame- any ideas? Many thanks More info: It was bought with all high end parts- and was said to be WTP Justice or other WTP frame—...
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Help please with this picture. Bmx frame

any help please with this picture would great. Any info. Trying to find out the make off this bmx frame. The serie number is r87071855
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3answers
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Bike tube going flat for no reason

My BMX bike front tire went flat on me for no reason. My room wasn’t warm at all, but it was cold. I don't know if that caused it because only my front tire went flat not my back. Any suggestions? I ...
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1answer
158 views

What is this BMX brand logo?

I bought the a new bike at the local BMX shop but what brand is this logo? I don't have any idea.
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63 views

I have a bmx bike that i bought as a Subrosa but someone told me that it's an Eastern.I don't know what bike or frame it is

It was listed as a Subrosa.It had Subrosa stickers and the headset was turned around so the seller could put a Subrosa sticker on it.It has a seat that looks like it's Subrosa but underneath it says ...
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393 views

Why don't BMX plugs fit on MTB riser bar?

In a previous question, I have been told that the grip diameter of a MTB riser bar is 22.2mm. From research I did, the grip diameter of BMX handlebars is also 22.2mm. In fact, it's possible to use BMX ...
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514 views

ID my bmx please

I want to sell my bmx, however when I was younger I must have thought that it was clever taking all the stickers off. Now I don't know what brand the bmx itself actually is. If someone could help ...
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1answer
3k views

Redline BMX or is it Redline decals on something else?

I got this bicycle at a yard sale and thought it was a Redline BMX as that is what the decals on it are and same with head badge. Someone said it was not a Redline because the rear dropouts are not a ...
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316 views

BMX frame logo identification

I have a BMX frame with a stylised "h" on the rear forks. Can anyone ID it for me?
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1answer
3k views

Are there any tricks to make “U brake” stronger?

I rebuilt a kids bike. I had the wheelset and calliper/U-brake replaced. Parts that I used are not cheap parts, lets say its more of mid range parts for BMX, normally made of alloy. I made sure the ...
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1answer
175 views

I'd like to know what kind of bmx bike I have

I got this frame in an old pile of junk ,can you please let me know what kind it it t/y
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1answer
248 views

What kind of bike do I have? Serial number is VF-8S3-20.5-9 [duplicate]

BMX frame has two holes on front tube for forks.
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1answer
68 views

Help Identifying BMX

My old bike which I inherited from my sister back in the 80s. Would love to do this up for my children, maybe get it sandblasted and resprayed. But would love to find the replacement stickers and ...
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1answer
265 views

Is there such a thing as a 25mm crank puller?

I have a BMX with a Primo Pro crank on it that I need to remove. The thread in the crank arms that the crank puller would normally screw into has 25mm diameter but I only seem to be able to find 22mm ...
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1answer
273 views

What model of wethepeople bmx bike is this? HBOAG75989

Can someone please tell me which type of wethepeople bmx bike this is? Serial Number HBOAG75989
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371 views

Ghetto Tubeless w/ Gorilla Tape on a BMX Bike or Dirt Jumper - Good Idea?

Why or why wouldn't you go tubeless on a 20" BMX or DJ bike? Got a lot of pinch flats recently and was look for a better solution than having to buy a tube every day/ I was considering doing the ...
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1answer
603 views

I have a Mach One BMX, help me decipher its serial number [closed]

I have an all original (as purchased) GT Mach One, but I can not find typical info a serial number and other stampings usually provide. Can any of you steer me in the right direction to help decipher ...
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2answers
3k views

What model of BMX frame do I have?

I need help identifying a BMX bike frame. Some background information: I bought the bike for my son about 20 years ago at an auction. At one time I was told that it was "valuable". The only markings ...
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230 views

I need to identify what kind of bike I have

I need to find out what kind of bike I have I just got it it seems nice I just need to know what it id
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1answer
552 views

I bought a bmx with a 20x2.35 inch tyres on them, can i buy and put a 20x2.4 inch tyre on them without changing the rim and inner tube? [duplicate]

I bought a bmx with 2.35 inch tyres on them , could I buy and put 2.4 inch tyres in the same rim and do I have to get another inner tube for it ?
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1answer
2k views

Riding bicycle without using seat

I've almost always rode on a BMX, so I've never been sitting while riding because of how low the seat is.Now I've had a chance to try out a more normal bike but I found sitting on the seat to be very ...
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149 views

Help me find my BMX brand please! [duplicate]

Hey!! So a few years ago, an old man gave me this bmx but it was very old so me and my dad decided to fix it. The seat is new and so are the tires. The rest is all original, could someone help me? I ...
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What process do you use to start a BMX program in an area without one? [closed]

i would like to start a BMX program for our local youth. How do you go about setting one up?
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200 views

Do Left handed bikes feel different to ride?

Want to buy a BMX bike but they only have left hand drive ones in stock. Does it feel the same as a right hand drive?
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Can I swap BMX wheels for a larger size?

I am a 5 foot 10 inches 14 year old boy who would like to get into riding a BMX. So if I was to buy a BMX with a certain size wheels, can you swap them for bigger wheels
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1answer
338 views

Is it possible to use BMX steerer (stem+handlebars) on fork on folding bicycle?

II want to replace my folding bike's steerer with a BMX setup. I've been told by a bike shop that it is not possible because the steerer tube protrudes 10 cm higher than the frame tube.
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2k views

Armor and helmet for ultra-safe commuting (womens size)?

I'm about to start daily bike commuting again after a long hiatus and want to go all out on safety. My fear of an accident is extreme enough that I am looking into regularly wearing body armor and a ...
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1answer
3k views

Do half link chains work on any bike and what is their purpose?

Do half link chains work on any bike? What is the purpose of a half link chain? I've noticed that only BMXers and DJers use them, and that leads me to believe there is a technical reason behind ...
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1answer
154 views

Free agent model? [closed]

need a little help to figure out the model and the year of this Free agent
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1answer
457 views

I have a bmx I can't figure out with a stamp of ia* on bottom side front of frame

Ok I just aquired a bmx through trade with a stamp of ia* on bottom side of frame and a serial # of wtu208po15oh and a secondary # of 312962
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1answer
270 views

My crank slips I think

I've got a 2015 premium bmx. When I start to pedal, the left crank kinda slips, if that doesn't make sense, let me siimplify it. When I pedal, it's like it doesn't grab the chain or something, like it ...
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1answer
245 views

Measure Spoke Tension on BMX Wheel

I'm building a 20" BMX wheel. I want to check the spoke tension, I'm not sure how to do that accurately. It's a high flange hub laced 3x with 186mm spokes. Because of that, the cross is just off ...
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What is the name of the part, often seen on BMX bicycles, that allows an additional rider on the back the bike?

What is the name of the part, often seen on BMX bicycles, that allows an additional rider on the back the bike? It appears to be a set of relatively short but thick poles that go on either side of the ...
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246 views

Does anyone know what frame my bike is pls? [closed]

Hi need help finding out what frame my BMX is. Serial number is YSEL11E1518 under next to serial number says made in Taiwan ). Wheels are from a different bike I think pls help ??
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7k views

Mongoose bmx ,serial number identification [duplicate]

A while back I bought a an old Bmx bike I'm certain it's a mongoose but I'm not sure what year I plan to restore it but I'd like to know exactly what it is first. Can anyone help with serial number ...
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1answer
131 views

I have a bike that I would love to know what kind

I have a bike that I would love to know what kind it is if anyone can help it would be grateful.. The serial number is 0960668010 and I can fix it anywhere
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Why is BMX gearing so low

I was watching the BMX racing on the 2012 Olympics and the gearing seems incredibly low. About half way down the start ramp they are already going too fast to keep pedalling and they barely seem to be ...
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325 views

Can you identify this bike/frame?

Hello though this might be a good place to ask this.anyone knows this bike?
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1answer
8k views

I need help to identify my bmx bike by using serial numbers

20" bmx freestyle bicycle Serial number is SNACEOSF18391
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I've got a old school chrome bike serial number starts with AV can you please identify what kind of bike I have

These are pictures showing the front of the bike and rear. Please let me know if you can identify this bike.
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10k views

What is the foam tube on the top of bmx frame for?

What is the foam tube found on some bmx bikes for? Here's an example: Besides for advertising, I'm guessing its there to save biker's legs when doing tricks, but I could be wrong, because I've seen ...
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1answer
214 views

What year and make BMX do I have?

Front back spring shocks 1970s. I'm sure is this a kawasaki BMX EDIT from duplicate question. After a lot of digging, I found that it is a 1975 Montgomery Ward Silver Fox
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What kind of BMX bike did i find?

got this bike for free at a local car repair service. It had been sitting there for a long time.