look at this aftermarket frame

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http://hreatv.com/images/HOSS.jpg

i found it on HRE's site (hreatv.com). i emailed them asking more about it. it's a 300 frame with a yamaha engine in it.. i want to know more.

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i got an email back

"all frames are completely custom built. so one built for a 300 motor would not be a problem.
the one you are talking about in the picture is a 300ex style frame but it is an extra 2" longer in the front.
all frames have a base price of $2500 and go up from there, depending on what kind of extras you are looking for. flip seat, adjustable shock towers, things like that.
lead time on frames is 6+ months and a down payment of half is required."

pretty awesome. i know where i'll be going if i come across a large sum of money haha

[honda300EXtreme]

its nice to see some people are stil lthinking of us 300 guys,

but damn 2500+ for a frame, thats insane, you could buy a nice 400 for that much.

[250Renvy]

Mike is one of the few, possibly the only one in the country that will build a completely custom frame.

If you are looking for a 300 frame I have a Laeger 250R frame that was built for the 250X but Mike added some mounts on the subframe for a battery for a 300ex and modified a supertrapp pipe to fit on the 250r frame.

It is for sale for the right price. Has new powdercoat and new pipe for less than half a new frame.

HRE is also building me a custom frame - see sig.
It'll likely be up on the site when it's done as it's one of a kind.

250R style with 400ex body and gas tank
450R a-arms, swingarm, everything else and dual mounting for CRF450 and 250R.