Technical & Reference Section > Tech and Restoration

Good bar geometry

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lk_97:
As it says really, I wanna know some decent bar geometry for mainly os bikes, I want to get some bars made, it's always been something I've wanted to do, start my own bmx business, I know what to do,even got a name sorted(not very imaginative though :LolLolLolLol: ) I just need to know some good geometry for them. I will be making ladder bars, you can only get a few certain kinds and they are all really dear, and the new school knight ones are really expensive and need to be shipped from America. I would be selling them for around £50, hopefully cheaper but I won't scrimp on the quality of them. I was thinking of having them brazed? Give me your thoughts please.

Thanks, Lucas. :daumenhoch:

markyp:
you cant go wrong with early gt pro bars,pretty much perfect,copy those if any :daumenhoch:

Badbaldie:
Great idea   im sure plenty of Radsters would be only to kean to trial your first batch ..... Apply for Dragons Den , as my old boss used to say "never miss an oppertunity "  :daumenhoch:

meticulous:
deffo GT pro bars, i'd have a set for a rider... :daumenhoch:

what steel are you going to use?

mattfx81:
Get a CNC mandrel tube bender and its a cinch making the bars... trouble is the machinery is super expensive. Brazing is good if you are using a low alloy steel that would have needed post weld heat treatment had it have be welded. TIG welding is king these days though and you could get away with a DC unit on steel alloys keeping the set up costs down and post weld heat treatment is readily available as there are quite a few specialist firms in this country who do it.
The only real economically feasible way to produce this kind of product is to have it made abroad in the far east, unless you had ready access to the machinery and the skills to manufacture yourself. If you want to do it though then go for it and make it work! :daumenhoch:
I am going to make a cruiser frame for myself in 2012, I have been drawing the jig for the last 18 months. These guys are a relatively new company who design and build all there own bike frames including the tooling - http://www.hammooncycles.com/Default.aspx

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