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1957 Corvette Refresh!

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Maxacceleration

Look Ma, No Hands!
Hello all,
I am new here and have a '1957 Corvette 3 speed I recently acquired. A rider, but with too much patina for me!
Too much bubbling rust spots for me.
This bike is missing quite a few parts for keeping it an original stock Corvette.
What is original is the frame & fork, Sturmey 3 spd hub/shifter, crank (not the chainring) chainguard, maybe the stem, not sure on the bars but probably not. Plenty of rust/patina on the bars though.

So... BMX restomod it is! In a deluxe sort of way. It won't be a full stipper bmx 'race' bike. ...Just contemplating keeping the chainguard on it, the deluxe '59+ seat I acquired in phenominal condition, the SA hub and shifter.
Chrome bmx cruiser forks are on the way. Some sort of 'different' colored tires too. Single rear side pull for the moment.
Putting back 26" wheels on it, as someone was running it with 700c.
Its a vision!
I have found a very nice two stage powdercoat candy apple red for it. Might vary from the original color paint slightly, but close enough. I have decals on the way too. So a 2021 1957 Corvette it will be!
I am open for ideas, do'd & don'ts and opinion! :sunglasses:
I am starting this thread rather early, or just at the start of my refresh. ...Acquiring parts. ...Returning parts because vendors don't send out the parts they describe they are selling. Oh well, it all happens in time!

So far, bars, stem, seatpost & a couple of seats... Mocking up for the time being.

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Thats all I got, and progress will be moderate.
 

Hammerhead

I live for the CABE
Looking good. Nice progress.
Hammerhead
 

Maxacceleration

Look Ma, No Hands!
In my second pic above my seat fitment is correct. I had to ball hone the seat tube (my local shop did it for me in 5 and free as I know him). The seat post would not slide in easily at all. Now it does. Guess I need a couple of ball hones.
Received the bmx forks today, plus grips. And diamond tread tires. My friend at the shop has rims coming and will build my wheels.
Oh I acquired a nice old Mailard high flange hub for the front. ...Gotta polish it up. Along with the SA hub.

I am guessing this bike will need long reach brakes. I need to find a pair... thinking Dia Comp MX1000? 70-90mm reach?

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Maxacceleration

Look Ma, No Hands!
SE Landing Gear forks went on today. Nice beefy forks.
The theme of my bike is simple cantilever bmx cruiser. No reinvention here.
Going for a 'factory' look so choice accessories of which there will be very few. Two sets of handlebars too, so I can do bmx or a beach look.
This is just the mock up!

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Maxacceleration

Look Ma, No Hands!
After my ride the other day, I felt my bike is way over geared. Wald 44 x18 on it now with the ancient '57 SA 3 spd. 1st is acceptable but really should be 2nd. 2nd & 3rd are tall! I will measure gear inches for a before & after.
I would like to be able to spin 1st easy enough to tackle a steep hill here or there (still standing I would suppose). 3rd will still be plenty tall.
New wheels getting built for my bike soon (waiting on rims). I will go 44/22 or more likely 24t. I would like a 42t front but they are hard to come by (Lucky 7). The 1957 Sturmey Archer hub shifts beautifully.

Did the 1st polish out on the Mailard high flange front hub. I'll do it once more & call it done. The alloy SA hub is next when I pull the rear wheel apart.
Hoping for two more rides before Monday then the wheels are off!
Got a 2 spd kickback going on my china outlaw lol. That will be fun.

Happy Thanksgiving y'all.

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Maxacceleration

Look Ma, No Hands!
Also pulled my beautiful but hard as hell Schwinn parade seat. Getting more bmx'y lol. I am enjoying the build up, with a good riding bike even before its torn down.

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Maxacceleration

Look Ma, No Hands!
I received my fresh Corvette decals recently. Can't wait for a fresh two stage powdercoat! I read elsewhere powdercoat covers up the serial number. I will rectangle that out so a future owner knows what he/she has.
Hard to see but here they is.

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Burp, ate way too much for Thanksgiving. Belch. Sure was good though!
 
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GTs58

I'm the Wiz, and nobody beats me!
I'm not familiar with all the fine details about powder coating, so how does one block off a section like the serial numbers? I would think you can't just mask it off like when doing paint. Is the section masked off and then the powder application and before baking the masking is removed?
Since your using that chrome fork, I assume you won't be using those fork decals. They are not correct for a 57 model Schwinn, but this is a custom. ;)
 

Maxacceleration

Look Ma, No Hands!
The powder coater, as I understand has their own heat resistant tape, I think he said to me. We'll see how that goes.
I could not find the complete large dart & pinstripe fork decal. Same goes for the chain guard, I have not found the perimeter pinstripes.
I bought the decals from Vintage Schwinn.
The fork will be powder coated at the same time so it is a match anytime I may want to use it. Easy change out.
It is a two stage powdercoat, silver base and a candy apple-ish top stage. Should have some good metallic in it.
While the purist may scoff at it, at least it will be a decent looking frame to most. We'll see how close it is...
I'm listening to your wisdom GTs! But I guess I'll call it a custom for my lack of following original protocol.

Edit: It will be a semi close match to my Corvette car!
 
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GTs58

I'm the Wiz, and nobody beats me!
Bicyclebones has the long pin fork decals but I wouldn't recommend a decal in that situation. The forks were hand pin striped just as the chain guard was. Real quick and easy work for someone that can do pin striping. There was a piece for sale on eBay some years back that had that Apple Red powder and it was a custom cantilever middleweight converted to a 10 speed, balloon rear, S-7 front, BMX bars, fenderless and it had me all excited. Never seen one as nice since.
 

Maxacceleration

Look Ma, No Hands!
Ahhh yes, the comfort of a seat change. The old (but new looking) Schwinn seat is like sitting on a board! I will use that seat only when displaying my bike with some old school tires. The 'rider' tires I have chosen are the Continental 'Traffic" tires, Should be good for hooning around.
Waiting semi impatiently for my rims to come in - then my shop to build them. Argh, cabin fever!
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Maxacceleration

Look Ma, No Hands!
Progress! Slow as it may be. My 2 speed kick back wheel is done (for a modern off brand outlaw style bike I call it).
And my Weinmann rims are in, to be built up soon. Funny thing is covid passed through the shop so its closed for a week, so I wait.
Hinged brake levers & calipers are on their way.
Sourcing parts has been interesting... there is a whole lot of out of stock going on.
Gives me time to pedal my Vette for another week or so.
 

Maxacceleration

Look Ma, No Hands!
After having an altercation with a car yesterday, and not having enough braking power to haul it down now, I have chosen to have front & rear hand brakes/calipers on my bike. It was a case of a car pulling out of a blind alley and me going downhill on a sidewalk. Not assigning blame.
My rear caliper does not lock a tire and I was squeezing like a mofo to avoid that car lol.
Its a battle I am having... 2 spd kickback zero cables, or my existing SA 3 spd freewheel, hand brakes and cables... No cables is cleaner.
But I am/will use the 57 Sturmey Archer hub. It should stay with the bike. So I will be stuck with cables.

I am pissed my 13/16" layback seatpost lasted about two weeks. I believe it was starting to bend before I torqued on my bike trying to avoid the car. Layback torques it more IMO. I weigh 165 lbs and have been pretty easy on the bike. It should not have bent. ...But I do torque while seated.
To me the biggest drawback of this Schwinn Corvette is the 13/16" seatpost. ...Weak ... I learn...
I think the Wald or MCS seatposts are weak. They call them cro-mo, but are they? I would like to keep a layback post on the bike because it adds so much to bmx style, and make for spacious cockpit.
These are just a couple of side steps. My bike is still on track for my refresh.

Tic tock time moves on.
 

ADKBIKES

Finally riding a big boys bike
In my second pic above my seat fitment is correct. I had to ball hone the seat tube (my local shop did it for me in 5 and free as I know him). The seat post would not slide in easily at all. Now it does. Guess I need a couple of ball hones.
Received the bmx forks today, plus grips. And diamond tread tires. My friend at the shop has rims coming and will build my wheels.
Oh I acquired a nice old Mailard high flange hub for the front. ...Gotta polish it up. Along with the SA hub.

I am guessing this bike will need long reach brakes. I need to find a pair... thinking Dia Comp MX1000? 70-90mm reach?

View attachment 1304718
View attachment 1304719
View attachment 1304720
looking good maybe a bmx style colored chainring
 

Maxacceleration

Look Ma, No Hands!
looking good maybe a bmx style colored chainring
Thanks. Maybe so on chainring.
Trued my rear wheel, pulled my chain guard to soak and put back on my bent seatpost after bending my layed back post. Cleaned up my old SA 3 spd some more. I'll polish on it hard once I pull the wheel apart.

Ready to ride tomorrow.
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1311907
 
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Maxacceleration

Look Ma, No Hands!
I finally tore down my rear wheel. My rims are in & my bike shop is back open.
Here are my hubs I am polishing on. A late 80's Mailard high flange front hub, and my '57 Sturmey 3 speed rear hub.
They look ok.
As pictured in the photo, should I be able to get rid of this final layer of corrosion? I am hand rubbing with semichrome.
Can't seem to remove the final bit of tarnish/corrosion/whatever. Would a wheel help get the final layer or is this it???
A different polishing product?? Or be happy with it - its not a show bike lol...
TIA

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GTs58

I'm the Wiz, and nobody beats me!
Just a heads up before you build up the new wheels. Sturmey dated their hubs and to my eyes I see 67 - 8 stamped underneath the name logo. I think I see the word Alloy on the shell and if so, the chrome plating might be wearing off. Even though the English chrome is better than the French chrome, there always seem to be issues with chroming alloys. lol
 

Maxacceleration

Look Ma, No Hands!
My hub is a 57 - 8 GTs, on my '57 Corvette. Chroming an aluminum alloy hub?? Alloy is not chromed usually as I know it, but I do not know these old bikes so well. Steel is chromed. Alloy is polished or anodized (in the modern era). Correct me if I am wrong.
I will give the hubs a quick wax & send them off, whatever their finish is, to my wheel builder tomorrow. Not the biggest of concerns.

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