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BERG REMOVABLE ALLOY SUBFRAME

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ORANGEBERG

Joined Apr 2007
377 Posts | 70+
Orange, New South Wales, Australia
How many owners out there are riding their bikes with a twisted patched up subframe from a bad moment they had whilst cartwheeling there pride and joy down the road.
We are considering making an alloy subframe and selling it in kit form so you can straighten back end out again. It would envolve no more than cutting the old subframe away from the main frame welding on a boss x4 and bolting it on, sounds easy dont it.
Replies most welcome to see if its feasable. Suppose you could do it just for the bling factor as well give us your feedback if you would do either.

A similar design will be made so you can unbolt the right side frame spar to get at the carby easier.
Let me know your thoughts before we chop into a demo bike.

ORANGEBERG
 
if i'd bent a steel subframe i don't think i'd go to an alloy one. if i had bent it, it sounds like "damned if you do and damned if you don't!"

regards

Taffy
 
I fall alot!!!!!!!!!!!!! :oops: Never bent the subframe on any of my bergs. But............ I am sure others have and I have on other brands. with that said I bet the conversion is beyond most owners self install abilities. I mean if they know how to work with metal they probably could get the original one close to right anyway.

What do you think the price of the kit would be $200-$300?

As far as trickness (notice I didnt use the B word) it would be cool
 
Hey OrangeBerg, have you ever bent a late model Berg sub frame? It's dam near impossible.

Husabergs solution to damaged sub frames is to build a frame with such superior material that for all practical purposes, you just can't destroy them...
 
:D There's Only One King Of BLINGNESS
Thought He Got banned For being French :lol: :lol: :lol:

Thats My Last Use Of The B Word For A Few Posts At Least
 
If any body was going to bend a sub frame it would have been me in Moab. I looped that poor bike so many time it was just silly and sad. bent bars, bent foot pegs, broken plastics, but no bent frame....
 
Bobzilla said:
I fall alot!!!!!!!!!!!!! :oops: Never bent the subframe on any of my bergs. But............ I am sure others have and I have on other brands. with that said I bet the conversion is beyond most owners self install abilities. I mean if they know how to work with metal they probably could get the original one close to right anyway.

What do you think the price of the kit would be $200-$300?

As far as trickness (notice I didnt use the B word) it would be cool
Click to expand...
Good point but we would hope that the damage would not be as extensive to leave a few inches of the original subframe attached to the main frame so its only a matter of chopping it at a certain spot, drilling a few holes and sliding the boss into it and spot weld them in and attach new alloy one.
Its only going to be a prototype drawring at the moment but we have access to all the necessary equipment and materials to push on if theres a demand.
If you want a steel unit we could do that as well.
 
on the Wr's they have a bolt on subframe. good idea but the husey is famous for having a high back end and the idea of lowering it must be a double bonus...

regards

Taffy
 
To make it even more owner friendly - make it so that you only have to cut and then insert a boss/fitting that is held in by bolts/machine screws. No welding - just cutting, drilling and wrenching.

My 2 bits

Mark

Murphy's law of precision: measure with a micrometer - mark with chalk - cut with an axe...
 
I found it easier to straighten out the steel frame on my pop's KLX300 than the aluminium subframe on my KTM520. A jack handle and large crowbar in addition to my sizeable girth got both tweaked back into shape in short order. I don't see the advantage of the aluminium one other than better access to the shock and carb if removed.
 
Huskyfatman said:
I found it easier to straighten out the steel frame on my pop's KLX300 than the aluminium subframe on my KTM520. A jack handle and large crowbar in addition to my sizeable girth got both tweaked back into shape in short order. I don't see the advantage of the aluminium one other than better access to the shock and carb if removed.
Click to expand...
Ever tried to get your battery out in a hurry.
 
Taffy said:
on the Wr's they have a bolt on subframe. good idea but the husey is famous for having a high back end and the idea of lowering it must be a double bonus...

regards

Taffy
Click to expand...
good point, the high back end can help in competition if you run an orig tank to force you forward for cornering, but can be annoying on open trails when you need to sit back and relax and look up for a hotel sign. we could do a high or low version in alloy or chrome moly.
 
.....or using ball joints lower and a pivot points upper you have a ready made adustment system. if you look in the doc, i have already lowered the subframe ony old frame. all that was needed was for me to cut the seatbase and add a strip of metal.

regars

Taffy
 
i have bent my subframe on my old 98 fx600e while flying thru the whoops.
i was skimming along the tops with a bit of wheeling too when i hit one that
wasnt a whoop, it was a huge rounded rock with a little dirt on for camouflage.
so the traction went to 100% and the back wheel
quickly passed the front wheel, which was in the air at that time.
i was left holding the bars with no bike underneath. we both hit hard. the sub frame
got twisted but i straightened it with a 7' 4x4 post.
i have never been the same since though.
 
tuts said:
the sub frame
got twisted but i straightened it with a 7' 4x4 post.
i have never been the same since though.
Click to expand...

Tuts,
Maybe that 7 ft. 4 by 4 would work on you too. :D
 

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