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Restoring my Peregrine 48's

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laidback:
They didn't discolour greatly. They were in the solution for about an hour, turned
Every 10 mins or so. I rubbed down a section of one rim before I dipped
Them, so they weren't completely bare aluminium.
I wonder if the solution was too strong/I left them in for too long, hence the pitting.

I'll attack them with some 80 grit and see what happens, it's the only way i can see to get rid of the pitting.

oldtired:
  been in the solution to long i'm affraid,week solution for a long time will produce the pitting ,

 your better off with a stronger solution for a short period of time , and rinse with lots of water straight after removing them also get any discoloration polished off before it has time to dry out as it will set back (oxidize) into the alloy

depending on how strong your solution was ,  they should have gone black or brown and the soluotion should have been bubbling getting warm and producing some nasty fumes ,  the last rim i stripped  with caustic took a few mins to completely remove the anno from the whole rim


looking at the last pic the one with the pitted brake surface it looks to me as though the anno has not come of , there's a definate line betwween the side and top surface, where the brakes have rubbed,   should be the same color side and top , noticed the stickers are still on too, usually they will come off when the anno dissolves underneath them ,   looking like these  might be hard anno?


just out of interest again were the bricks you used to take up the volume nice and clean , caustic dissolves organic compounds very well so i suspect you've cleaned the bricks rather than the rims ?  :D

laidback:
Thanks for the replys.

The bricks were pretty clean, and i could see and hear the solution fizzing away around the rims, giving off fumes etc. I did think it was strange that the decals had survived the dipping process! (the pitting also only seems to be on the braking surface?)

Anyway, this is a learning curve and what's done is done.  Just wondering whether to carry on with these rims or source some others in good condition? These are never going to be perfect.  Are they hard to come by, or does anyone know where i can get a pair of correct NOS UKAI 48 hole rims? Any suggestions appreciated :)

laidback:
Chaps, just considering my options.  From what i've read, Peregrine 48s came with either Araya or Ukai rims. If i do decide to change the rims, does anyone know what i should go for? Mine are single walled Ukai's at the moment with loose bearing suzue hubs.

I have seen some NOS Araya 7x rims at a good price. If i lace these up to my suzue hubs and sticker them up as Peregrine 48s is this a no no? :2gunsfiring_v1: Did peregrine 48s ever come with 7 x rims?

I'm not very clued up with this stuff, so any lessons you guys want to give me will be greatly appreciated!

I'm just thinking it will be a shame to build up using my nice hubs/new spokes etc, only to be let down by the hoops....

Discostu:
They only came with ukai rims.
I would rub the rims down with some wet and dry, going through the various grit levels until they look good.
Even though there is pitting it isn't that deep to effect the structure of the rim. You just need to put in a lot of elbow grease.  :daumenhoch:

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