Technical & Reference Section > Tech and Restoration

CW Cali Boulevard Resto *Pg 7 update 22/6/11 Pics Added *

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kuwahero:
the bolts have different threads, the wedge is pretty similar

Jamroll:

--- Quote from: kuwahero on November 05, 2010, 04:23 PM ---the bolts have different threads, the wedge is pretty similar

--- End quote ---
:daumenhoch:

currio:
A few good points have been made here.
Like Dan said, any good finish starts with the prep, whether it be paint, powder, nickel, chrome etc.
Like has also been said, it's easier to prep a frame for chrome before it's welded together.

Don't assume that all chrome plated frames BITD were perfect.The more philosophical may think, like most things we remember from the 80's, they probably seem better now than they probably were  :LolLolLolLol:

Generally, there are 2 types of chrome plating
1) hard chrome, which is more used for its hardness, wear resistance etc. This process gives a much thicker depth of plate, but it gives an ugly, uneven finish, which needs to be re-machined after plating.

2) bright chrome/show chrome, which is generally used for decorative purposes. This process gives the bright, blueish, shiny finish we all know and love. The downside is that this plating is only microns (millionths of a metre) deep.
Usually about 10-20 microns. A human hair is on average 100 microns  :shocked:

Be cautious of the promise of 'triple chrome'. The bright chrome process is usually a three stage process, after the pre-plating (de-grease, alkaline clean, acid etch)
The three stages are usually a copper strike, used to give better conductivity to the part, then a nickel stike, to give the silver colour, and then the final chrome dip.
So, don't think you are always getting three layers of chrome, I doubt if that ever really happens, let alone if it's even possible.

Bottom line, have a look at the item before it goes for final plating, 'cos what you have then, is generally what you will end up with after plating.
Shaun

GTnumber1:
mate you must be fumming you should have took your time and polished it up yourself, make sure you take that tuff neck disc back cos those deep scracthes will show throuhg the chrome  :daumenhoch:

Rodgy1970:

--- Quote from: jamroll on November 05, 2010, 04:06 PM ---
--- Quote from: rodgy on November 05, 2010, 04:01 PM ---BTW the pro neck and tuf neck wedges are different.

--- End quote ---
How much different mate  ???

--- End quote ---

I might have been wrong in that the early pro neck and tuf neck may have been the same but on later models they are definitely different which you can see in the pic below.

http://i221.photobucket.com/albums/dd35/electro808/DSCF0371.jpg

Two pots mod stems with different wedges, the way the shaft is cut seems to dictate the wedge you need.

http://i269.photobucket.com/albums/jj79/bmx_brigade_86/Tuf_00.jpg[/quote]

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