I know the American Classic 420s also have anodized side walls. Despite what is shown on their web site. If I get a pair, I'd like to know ahead of time if I can sand off the surface or not.
BTW, the sales guy at AC told me they might sell the 420s with Sapim Cx-rays in the future. Maybe if you dudes are interested, you should send them an email and let them know that is something you'd be willing to pay extra for.
I don't think there is any problem in removing the surface in the braking area, just don't removed to much !!
In terms of not removing structural material, you will be doing this, just like you do every time you hit the brakes.
Anodising is the process of increasing the depth of the oxidised surface for an increase in strength (it just so happens this can be died).
As you apply the brake the rims wear away, and once the anodisation is gone from the brake track the brakes will stop you faster (softer surface), but will also wear the rim faster.
Enjoy the sanding.
Anyway, the rims look like brand new now. No ugly wear marks.
I would recommend 220 grit sand paper. And go with the direction of the rim, don't go perpendicular (sp?). A sanding block didn't help. I kept a wet cloth around to clean up the Al dust.
This method is likely good for smoothing rough weld joints also.
I doubt there is any weight savings here. But style is important when your bike costs more then your car.
Sorry, my digital camera is not working. It looks as you would expect. like machined side walls.
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