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Old 02-12-14, 12:15 PM   #1
GordoTrek
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Frame is off to the powder coater... My new project...

I aquired an early 70's grand prix , in the fall. It's my size and i've always wanted one, so I could turn it into a city bike,

I am starting this thread as a place to document all the events...

I currently have VO porteur bars and city levers ordered, with SKS Chromoplastic fenders, (couldn't swing the VO hammered fenders), with Panaracer Pasellas as well.

my inspiration for the color and idea came from TampaRaleigh's 2 speed coastie...seen here i really enjoyed the color and the style, and wanted to do a similar project


I am going to do a cork wrap on the bars and shellac and twine the ends.. hopefully i can figure this out with the city levers.. i have inverse levers in my parts bin but i was hoping to save those for another project, and i really like the look of the city levers

anybody want to donate a b17 ? i have a post in the ISO thread if your open to trades....

for now.. here is the before pic

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Old 02-12-14, 12:45 PM   #2
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I picked up a similar Grand Prix a few months ago. I've been working on it through the winter and riding it on rollers. I just took it out for the first road ride (25 miles) last weekend and I liked the ride more than I thought I would. My only upgrade was aero brake levers since I had them in the parts bin and they are more confortable for me than the stock Weinmann levers. Aluminum rims will be next... at some point.


All-in-all a great city bike, which is what I'm using mine for. Good luck with yours!
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Old 02-12-14, 12:53 PM   #3
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thanks... Very excited to have another project! should have it back from the powder coaters next week,

forgot to mention i went with a Venetian Beige as a color choice... if anybody wants to know...
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Old 02-12-14, 12:57 PM   #4
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Where do you even find real cork tape nowadays? All I can find anywhere is plasticized "cork" that doesn't even look like cork.
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Old 02-12-14, 01:24 PM   #5
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meh.. its probably synthetic im sure.. but the advertise it as cork.. i found this
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Old 02-12-14, 06:16 PM   #6
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Great looking bike! Would love to hear the rest of the story. Am also interested in the powder-coat results. I am contemplating this for a friend's 1981 silver Peugeot. Am committed to either a full repaint or powder coat (as I have added braze-on water bottle bosses and ordered in new decals) and would like to hear more about how other projects have turned out....
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Old 02-14-14, 10:09 AM   #7
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i just was doing some research on a replacement bb, not sure if this model is a 76 or not, but everything sheldon brown said is that the BB is 26tpi... grrr.. may have to retap or get a VO bb

anybody have experience with this model? i'm hoping its a 24tpi... we shall see
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Old 02-14-14, 10:38 AM   #8
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I just went through the 26tpi BB with a 78 Raleigh Superbe. PITA. I ended up reusing the bottom bracket and going cottered. Maybe you can find an axle spindle to go cotterless and reuse the cups. There should be something on Sheldon's website about that. Other than that, it is the VO BB ($$) or Phil Wood ($$$).
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Old 02-14-14, 10:44 AM   #9
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i have been cleaning an polishing the new/used crank and now i may not be able to use it!! grrr. i'm ok with cotters but im hoping to find a spindle that will work, or i might get the bb shell refaced
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Old 02-14-14, 07:03 PM   #10
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I am actually doing a rebuild on a 1981 raleigh grand prix. Going with Laguna seca blue, using the same paint code as the 01-04 bmw. However, my painter is using automotive paint, not powder coat. Keep us posted with the build details. Ill be making a thread when mine is back from paint
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Old 02-14-14, 07:54 PM   #11
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I know some people on the forum can't stand powdercoating a bike but for use and function I couldn't be more pleased with all my projects. I've done a number of frames and the results have been fantastic every single time. I'm finishing up a 1987 Panasonic Mountain Cat 7500 this weekend, I always hated the 7Up yellow and green so I went with "Wet Black" powdercoat which matches the 1988 MC7500. I had custom vinyl decals made because the custom waterslide decals were going to cost more than the powdercoat. Since I went with peel and stick vinyl, the powdercoat finish will remain glossy and untouched. With other powdercoated frames when I've used waterslide decals, the entire powdercoat finish needs to be buffed slightly for the best adhesion and for the final top coat of clear. With my Cimarron and my Smorgasbord I followed the steps I mentioned and then my buddy who owns a body shop cleared both in BMW clear. Clearing over the powdercoat makes for a deep rich finish, most people get it wrong and think that it's a $300 to $500 paint job.
Here are a few examples:
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File Type: jpg powderMC7500fork.jpg (92.0 KB, 77 views)
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Old 02-18-14, 07:06 AM   #12
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I like powder coating, its a cheaper option to painting, and it makes the bike brand new in a way, it allows you to pick everything from color to tech... this is the second frame ive done, the first being my Trek 930
another reason was, the Grand Prix was shot, really no paint left it was a heavly used commuter bike and it showed... its taken me days to get all the bits cleaned up, i had to soak the headset all weekend just to get the elmers glue ahem.. grease out of the bearings.... she really needed some help..
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Old 02-18-14, 07:08 AM   #13
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Quote:
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I just went through the 26tpi BB with a 78 Raleigh Superbe. PITA. I ended up reusing the bottom bracket and going cottered. Maybe you can find an axle spindle to go cotterless and reuse the cups. There should be something on Sheldon's website about that. Other than that, it is the VO BB ($$) or Phil Wood ($$$).
had some good luck at the coop this weekend, found 2 possible spindles, one is almost an exact match with the square taper,it looks like a 71, but the length of the spindle is on the short side, i didn't measure but looks in the 105 to 106 range, found another thats a 70 and the spindle length should be more then enough, im only running a 1x6 so as long as my ring doesn't come in contact i should be ok..
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Old 02-18-14, 08:53 AM   #14
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one thing to note, i wanted to put a 6 speed cassette, on this bad boy, but im not sure my Suntour Cyclone Gt has the range to meet it? anybody have experience with this?, i can just take a cog off the 6 speed and run a 5 speed with a spacer.. .but i wanted to see if i could squeeze the extra gear...
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Old 02-18-14, 02:25 PM   #15
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powder coater just called, said its all done, picking it up after work!! maybe ill have some pics tonight!
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Old 02-18-14, 02:41 PM   #16
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Cant wait to see it!
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Old 02-18-14, 06:29 PM   #17
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Quote:
Originally Posted by GordoTrek View Post
one thing to note, i wanted to put a 6 speed cassette, on this bad boy, but im not sure my Suntour Cyclone Gt has the range to meet it? anybody have experience with this?, i can just take a cog off the 6 speed and run a 5 speed with a spacer.. .but i wanted to see if i could squeeze the extra gear...
I can't speak to the exact tooth range you're going with on your 6 speed cassette but I was able to run a 6 speed freewheel with the Cyclone GT rear derailleur on an old build for a buddy a couple years back. My Cimarron has Shimano 6 speed "Deerhead" XT derailleurs with a double up front on the crank; I was able to adjust the limit screws enough to run a new 8 speed freewheel with 8 speed Shimano "brifters" and I've had zero issues. I can't imagine you having any snags with a 1x6 set up, especially if you're running a friction shifter but an index shifter should work well too.

+1 I'm also looking forward to seeing the finish!
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Old 02-18-14, 09:55 PM   #18
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Here is a sneak peak.. put the headset, bottom bracket and fenders on, was worried about the bottom bracket, but after a few popeye arm exercises i was able to get the fixed cup back in and the adjustable cup is almost burried, it finally caught the spindle with about 2.5 threads left and i was able to back it off and adjust it nice.. even had some room to throw the lock ring on...

the fenders on the other hand were a PIA, the struts for the fenders had a little plastic holder that fit over the end and you cut to length, after hacking off about an inch from each strut I decided not to use them.. I just clipped off the little caps and fit them nicely over the ends

and lastly , i had picked up a threadless adapter for this build at my local coop, i was already to install the bars and the realized its a 1 1/8 threadless adapter not a 1" didn't even know they made those? oh well, back to the coop it goes..




another when she was brought home..
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Old 02-19-14, 07:25 AM   #19
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I can't speak to the exact tooth range you're going with on your 6 speed cassette but I was able to run a 6 speed freewheel with the Cyclone GT rear derailleur on an old build for a buddy a couple years back. My Cimarron has Shimano 6 speed "Deerhead" XT derailleurs with a double up front on the crank; I was able to adjust the limit screws enough to run a new 8 speed freewheel with 8 speed Shimano "brifters" and I've had zero issues. I can't imagine you having any snags with a 1x6 set up, especially if you're running a friction shifter but an index shifter should work well too.

+1 I'm also looking forward to seeing the finish!
thanks for the tip, i didn't think so, but i'm trying to eliminate suprises here.. i have a backup derailleur just in case
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Old 02-19-14, 10:22 AM   #20
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I can't tell...is that white or cream?
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Old 02-19-14, 10:55 AM   #21
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its Venetian Beige... it looks yellowish in the stand and white as just a frame... ill have better pics once its all back together
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Old 02-19-14, 09:43 PM   #22
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its Venetian Beige... it looks yellowish in the stand and white as just a frame... ill have better pics once its all back together
I love it!

That's my favorite moment... pristine and ready to be built... all those possibilities!!!

It looks awesome, I can't wait to see it all together, great job so far!
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Old 02-20-14, 06:51 AM   #23
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decals ordered lastnight, from cyclomondo, took a tip from tamparaleigh, and went with the RL49


also will have the "made in england" and "heron" headbadge,

maybe some down tube stripes as well...
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Old 02-24-14, 06:53 AM   #24
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decals are on the way..

lots of work done this weekend.. i even tried my hand in twine and shellac...

i had to improvise when the powder coat pitted badly when i was installing the shifter clamp, very suprised on how soft the powdercoat is, when i spoke to the place that did the job, they said some colors are more fragile then others... we'll see, so far i have a few nicks in my "new" frame..




so i decided to take it as an oppurtunity to practice the twine and shellac.. .it came out pretty well, and i think im going to make a chainstay protector out of twine as well,
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Old 02-25-14, 08:03 AM   #25
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more twine practice lastnight... no pics yet.. this time i wrapped the chainstay to make a twine protector of some sort.. its a slow and tedious process. especially when you have a wild tree cat sitting at your legs pawing the hemp twine as you wip it around several times... kitty actually undid the first wrap after i was almost done... so if your going to twine.. make sure kitties are sleeping or locked on the porch... moving on..

i found an old bullet style front light in the scrap bin at the coop, it was all rusty but seemed complete and functional, i cleaned all the rust off and painted it, i was able to get it mounted with the center pull brakes... that took some special kind of patience. the light works when i threw a new D battery in there but the light is really dim.. .im thinking it has a bad ground.. hopefully somebody with some experience with these old lights can lend me some pointers.

ill have some pics soon...
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