Technical & Reference Section > Tech and Restoration
1982 Shimano 4000 build.
P J Tunni:
Looking good, the decals look great on the blue! :)
In2bmx:
Love that blue . Looking forward to seeing this finished . :daumenhoch:
Avro:
Day off so let's get building! It has been too long.
I plan to get most of the parts fitted today with some major exceptions; the cranks that need anodising and the saddle which I do not have unless I pinch the Elina from the Hot Heart. The anodising is in hand. I made all my solutions this morning, the caustic soda, Nitric solution and the anodising bath itself, all scaled up to feed my ambition :crazy2: Progress is guaranteed on at least one front.
The stem is a modest SR MS422, a part I have used before in its painted top incarnation. I like these painted stems, super clean and simple. The one for this build has a metallic blue top, perfect.
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The stem is mated with some blue anodised handlebars, I do not know the manufacturer. The handlebars are barely 23" wide, so things will be cramped up front. I :smitten: big lairy race bars so these will be something new to me, at least new to me since 1981 (thinking my mk1 burner bars were narrow? the black painted ones?)! The colours are working really well with the frame which continues to encourage me.
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The brakes are a pair of blue Shimano Tourneys with new-old-stock Shimano Pre-bents and Shimano cables. The colours are still holding up which I am really pleased about. The Tourneys are minty and it shows, the colour is super-metallic and vibrant.
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Looking good...
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Chilli Rinse:
Stunning ! Loving everything about this build :bow: Are those the bars from Vert Ego/Rock Chick. Very nice, thinking of those for myself :chin:
Avro:
...the wheels are a pair of OGK's. They came with a 16T Suntour freewheel so it was left on. OGK wheels were actually specified for the Shimano 5000, a far more racy frame. The Shimano 4000 had to make do with Araya 7x rims! I guess 'mags' had more mystique and perceived value. The OGK's are mighty heavy!
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I have given up on period tyres. I have chased period tyres, had some success, but I struggle to see the sense of it. I do want to potter around on my bikes, no, 35 year old tyres won't cut it. So I plan to do the best I can with the repops that are out there. Both the Shimano 4000 and 5000 were specified with coloured 'Snake-Belly' tyres and that is what this bike is getting. They are repops, made in Japan and look the beans. Now I have to be honest, on bringing the front up to 35psi one bead blew off the rim and ripped a hole in the inner tube, not once but twice. I had Skyways on my Burner bitd and do not remember this being an issue with 'mag' wheels? Is it the tyres? They are a very light construction, foldable. Third time seems to be alright athough they are only at around 25 psi.
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I am rapidly running out of room in the cave! I have decided to make more of an effort with photography, mainly for YouTube, and this has made things super tight and conjested. Still, it is all fun. The build is on track...
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