Custom Shock Link Fabrication

dmdmdm

dmdmdm

Retro Guru
I'm having trouble finding a nice piggyback shock in 165mm. So now considering to get a 190mm and use a custom shock link(and/or offset bushes)

I've got the tooling/friends to make one, but unsure about the heat treating requirement?!

I was assuming that as long as its machined under coolant or in steps so as not to overheat, it shouldn't have any stresses/weaknesses. But I don't know anything to be honest.

What do you guys suggest/recommend?
 
I don't think that CNC milled linkages need heat treating. Frames that are welded do because of the excess heat, but I doubt that a part machined with coolant gets any significant heat build-up. Use 7075 or 2024 Aluminum they're stronger than regular 6000series alloys. 7075 T-6 aluminum will have better corrosion resistance and is easy to anodize, the 2024 is a little less brittle than the 7075 so it won't be as prone to cracking but the corrosion resistance isn't very good, so coating becomes more important. Most of the linkage stuff is commonly made from 7075 T6.
 
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