Technical & Reference Section > Tech and Restoration

She's finally arrived - Changa Build

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Chilli Rinse:
Good luck on the bars, hope you have better luck than I did on the Cobras.
Have a speedy recovery mate  fistblump

bobafett:
Get well soon Pete !

Build is coming together very nicely indeed mate  :coolsmiley:

Picklez:
So, it feels like it's been an absolute age since I've provided a proper ?build? update. Partly due to distractions ? weather, family, life, etc., partly due to waiting for parts to come back from the chromers, and partly for health reasons ? as many know, I've been suffering a herniated disc, which thankfully was finally operated on last Saturday.

So, whilst I'm not meant to be doing anything but recover at present, I finally felt good enough to spend a day on the bikes et al yesterday.

First job (and only really mentioning as I wanted to share the following pic) was to get the bike out of the bedroom. My wife's been a superstar this year, not only tolerating a build in the bedroom, but also with helping out on the build when I was struggling with some of the immobility etc. Anyway, job one, clean my office so that I could move the build down there?



Then relocate the changa down to a suitably prepared space



Then, with parts back from the chromers I could once again think of moving this build along. So, as a starter, the drivetrain?



Jonathan, aka ?ButtsBikeShop? handled all my chroming requirements & did a great job  :bow:

First up a set of Profile 177mm Gen 3-A's. I picked these up of US eBay a few years back, on the surface they looked great, but when they landed they had a bit of an issue with the chrome, or more specifically the integrity of some re-chrome earlier in their life. Basically, a couple of areas around the pedal bosses where the chrome was starting to lift.



So, job number 1, strip




Then on inspection a couple of minor surface issues were found (small pinholes that would have left the new chrome looking shat)





So, before any chroming work could commence first they received a layer of copper plating and subsequent prepping to get us back to a suitable smooth surface to apply the chrome







And then the finished article  :smitten:







And as for replacement decals. Well the only real option is reproduction, but it took a little work. Most who re-sticker gen 3's actually use the wrong decals. You can see so many come up for sale that have the earlier box crank decals and they don't look great. Box cranks ones are basically a rounded oblong type shame, whereas proper gen3's are actually a slight teardrop shape. Then there's the colourway. AS we all know these decals are typically blue-red on a chrome foil. I was sort of ok with that, but in reality, really wanting to keep to as much chrome and black as possible. So I hit a compromise and went for the Black-Red on chrome foil. But went for some from an Indonesian eBayer, as the print detail was of a much higher resolution than some you see on eBay from our neck-of-the-woods (admittedly the edging isn't that good on the ones I've ended up with, but the font etc. is lovely and crisp).



Then fitted



Spider wise, when I originally bought the cranks they came with a repo spider. It took a lot of looking, and isn't ideal, but I finally landed a very good condition OG one. Only unfortunate part about it is that the previous owner had decided to chrome it at some point earlier in its life. Doesn't look horrendous, would have just rather the OG finish. Still, fits the build, and if a nice mint OG finish one ever turns up I can decide whether to swap it out then



Then the spider, one from the good lady here, under the Christmas tree this year was a NOS 44t Silver CAM chain ring, so, on she goes



Bolting to the spider by way of a set of NOS Sugino bolts



And all mounting to some unknown make nice and clean bottom bracket



So, there's the parts, let fitting commence, with my homebrew headset & bottom bracket fitting tool ? no more need for hammers and wooden blocks



And finished (nice and easy)



Then all fitted up



So, that's it for today. Feels great ?being back in the saddle?, and more will follow soon.

Little one on the pedals next time out.

Stay Rad guys  :radbmxsmilie:.

Chilli Rinse:
Nice update. That set up looks the biz  fistblump glad you're back on the tools  :daumenhoch:

bobafett:

Nice drivetrain Pete  :coolsmiley:

Good to hear that you are up and about and cracking on with the build - always good to get an update on this one..... more please  :popcorn:

 :daumenhoch:

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