What type of bike frame is this?

I am not sure of the brand but I know what what you are talking about. There isn't really anything weird that you need to worry about when buying replacement parts. Here are some simple suggestions:

You will need to look at a Gyro as normal as it is except you can get rid of the lower part as it has the welded piece on the headtube to replace it.

The Brakes are whats called U-Brakes and the most common replacement is a "990" style.

The crank will be determined by whether it is an American, Spanish, European, or Mid bottom Bracket. If you show a Bike Shop, they should be able to tell you right away and also should be able to get you a size if needed.

The seatpost size is a little tricky as you have to get the inner diameter down to the millimeter so you will need some calipers. Again, go to a shop and they can hook you up and measure it.

The bars are standard. You will just need to choose your height, and width by your personal preference.

The stem is the same as the bars except you will need to know if you have a 1" or 1 1/8" headtube but you probably have the larger as it is a gusseted frame and most 1" bikes didn't have a gusset.

Other than that, it comes down to brand and your choice but just a warning, Cannondale (as mentioned by another answerer) doesn't really have BMX parts.

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Wow...sounds like a creation from the gang at the site of the Texas Chainsaw Massacre!

If anyone can offer any good answers besides jes goin to Cannondale, by all means, have @ it! Otherwise, I'd say invest in a REAL bicycle!

I've owned several bicycles & even spend more than a year as a bike courier & I'm EXTREMELY satisfied with Cannondale!

Best wishes, K-den, M1

Sounds like a flat land BMX frame to me. Of which company I haven't the foggiest idea. But the below chainstay brake mounts and detangler tabs are a dead give-away to the style. My guess is that it's a fairly weighty frame-a tank. Indicative of the type-parking lots, and ramp.

Brands it could be, I'll guess.....

KHE

Hwa Fong Daddy