new here Motobecane restoration
02-13-21, 05:20 AM
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new here Motobecane restoration
Need to submit 10 posts before I can send pics. I am restoring a 1972 Motobecane. Only kept the frame and have converted to porteur with rear rack. Will continue later
02-13-21, 05:27 AM
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new here #3
Motobecane- also added Shimano Dura Ace 7800 dual pivot brakes. Needed to have these cut/welded and extended to accomodate new rims.
02-13-21, 05:29 AM
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Please don't spam us. You can upload your pics to your album and we will add it. Or you can introduce yourself in introductions and reply to a few posts to hit 10. But spamming is never a good idea.
02-13-21, 06:48 AM
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Did you really cut, and weld extensions into Dura Ace calipers!?! Now this is a picture we need to see! Unfortunately, you've reached your five-post limit for our first day.
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02-13-21, 07:00 AM
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señor miembro
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No need to start more than one thread on the same topic. Ridic.
02-13-21, 07:13 AM
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Merged three threads into one. Please do not make more threads just trying to get to 10 posts. Go say hello to 5 other new forum members.
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02-13-21, 10:34 AM
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Post your pictures to a album in your gallery and then we can post them for you.
02-13-21, 05:48 PM
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Can’t wAit for pics I sold motobecanes in 1975
We also had bob jackson and Frejus
02-15-21, 04:36 AM
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I wouldnt recommend this, but needed to extend calipers inorder reach rims. Had a welding shop splice in 1/4" alloy. Had to be very careful with amount of heat since they are cast alluminum alloy and could end up with a pool of metal. One caliper failed immediately and had to be rewelded. Since then no problems. It was my first project so didnt consider all the issues. Here is a pic of the front brake and the bike. The welding shop did a great job of polishing. You would never know they were cut and extended.
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02-15-21, 06:25 AM
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Its certainly a nice looking build. Did you do the paint yourself? If so what method did you use.
One minor nit: normally the rear brake cable housing goes over the seat stay to make the curve smoother to the rear. Not a huge thing but the current routing looks slightly tight.
One minor nit: normally the rear brake cable housing goes over the seat stay to make the curve smoother to the rear. Not a huge thing but the current routing looks slightly tight.
02-15-21, 06:33 AM
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Good looking bike and nice restoration. It's water under the bridge but there are brakes out there with a long enough reach so that you wouldn't need to modify those dura ace brakes. Dura ace brakes of this generation are generally short reach (perhaps always actually) brakes.
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02-15-21, 07:01 AM
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Very nice! The work on the Dura Ace calipers is amazing. Your machine shop does great work. My only suggestion would be to add fenders. It is such a refined looking bike at the moment with its upright bars and rack. A nice set of fenders would icing your beautiful cake! Well done! 
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Enjoying the GA coast all year long!
Thanks for visiting my website: www.freewheelspa.com
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Enjoying the GA coast all year long!
Thanks for visiting my website: www.freewheelspa.com
02-15-21, 07:06 AM
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Maybe Shimano brake pads have improved over the past decade, but I found a set so scary/dangerous that I immediately replaced them with KoolStop salmons, so that I could actually stop, instead of merely checking speed, on a 15 percent downward slope.
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Capo: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger (2), S/N 42624, 42597
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"Far and away the best prize that life offers is the chance to work hard at work worth doing." --Theodore Roosevelt
Capo: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger (2), S/N 42624, 42597
Carlton: 1962 Franco Suisse, S/N K7911
Peugeot: 1970 UO-8, S/N 0010468
Bianchi: 1982 Campione d'Italia, S/N 1.M9914
Schwinn: 1988 Project KOM-10, S/N F804069
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02-15-21, 07:16 AM
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Welcome to the Bike Forums. Like you, I am a bit of a Motobecane enthusiast also. That said, even though the OP's bike is a beauty, tastefully done and a treat to view, it is not a restoration in my mind. Except for the incredibly dangerous weld the caliper arm thing, well done. There is a lot to properly welding aluminum and with something as critical as the caliper arms - forgetaboutit!
What I found that will help extend reach is to modify a front brake caliper alloy washer. These can be filed to a wedge shape, which when rotated, will safely but only slightly, extend caliper reach. Were I the OP, I would get those modified calipers off the bicycle before riding it again. Trust me on this - crashing can really hurt and for a heck of a long time. I endoed my bike in 2000, broke my neck in two places and my neck still expresses different levels of discomfort (pain) to this day and even as this moment.
What I found that will help extend reach is to modify a front brake caliper alloy washer. These can be filed to a wedge shape, which when rotated, will safely but only slightly, extend caliper reach. Were I the OP, I would get those modified calipers off the bicycle before riding it again. Trust me on this - crashing can really hurt and for a heck of a long time. I endoed my bike in 2000, broke my neck in two places and my neck still expresses different levels of discomfort (pain) to this day and even as this moment.
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02-15-21, 07:22 AM
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Wow! That turned out great. That looks like a Nomade Sprint with fresh paint, a Brooks, Silver Shifters, long reach Dura Ace dual pivots,...
lipstick on a pig never looked so good😉
Edit: Must add that I rescued a Nomade Sprint and it was a great rider.
lipstick on a pig never looked so good😉
Edit: Must add that I rescued a Nomade Sprint and it was a great rider.
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I don't do: disks, tubeless, e-shifting, or bead head nymphs.
I don't do: disks, tubeless, e-shifting, or bead head nymphs.
Last edited by Classtime; 02-15-21 at 07:30 AM.
02-15-21, 09:14 AM
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señor miembro
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You could teach the seller of this faux Grand Record a few things.
https://spokane.craigslist.org/bik/d...275903707.html
https://spokane.craigslist.org/bik/d...275903707.html
02-15-21, 12:53 PM
#18
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motobecane 70s restoration
i am also restoring a 70s motobecane.finding difficulty in matching the seat post. a size 25 with adaptor still too loose,a 26.4 too big.it looks oval.seatbolt screw is bent,i will replace it to c if it helps.
02-15-21, 02:01 PM
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Danny kee with a big screwdriver between the ears of the seat lug, a little twist might let you put that 26.4 in there. Cranks could be french threaded. Don't force it.
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I don't do: disks, tubeless, e-shifting, or bead head nymphs.
I don't do: disks, tubeless, e-shifting, or bead head nymphs.
02-15-21, 02:23 PM
#21
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Welcome to the Bike Forums. Like you, I am a bit of a Motobecane enthusiast also. That said, even though the OP's bike is a beauty, tastefully done and a treat to view, it is not a restoration in my mind. Except for the incredibly dangerous weld the caliper arm thing, well done. There is a lot to properly welding aluminum and with something as critical as the caliper arms - forgetaboutit!
What I found that will help extend reach is to modify a front brake caliper alloy washer. These can be filed to a wedge shape, which when rotated, will safely but only slightly, extend caliper reach. Were I the OP, I would get those modified calipers off the bicycle before riding it again. Trust me on this - crashing can really hurt and for a heck of a long time. I endoed my bike in 2000, broke my neck in two places and my neck still expresses different levels of discomfort (pain) to this day and even as this moment.
What I found that will help extend reach is to modify a front brake caliper alloy washer. These can be filed to a wedge shape, which when rotated, will safely but only slightly, extend caliper reach. Were I the OP, I would get those modified calipers off the bicycle before riding it again. Trust me on this - crashing can really hurt and for a heck of a long time. I endoed my bike in 2000, broke my neck in two places and my neck still expresses different levels of discomfort (pain) to this day and even as this moment.
02-15-21, 02:59 PM
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I'm not a big fan of Shimano pads either. I replaced the pads on my Merckx's Dura-Ace 7700 brakes with Jagwire pads & they are definitely an improvement.
02-15-21, 04:14 PM
#24
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Tastefully done.
A drop bolt would be a safer alternative to welding the calipers.
https://www.sheldonbrown.com/home-drop.html
A drop bolt would be a safer alternative to welding the calipers.
https://www.sheldonbrown.com/home-drop.html
