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#1
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Mafac cantilever straddle cables
Hi all,
I'm renovating an ancient bike with 70's Mafac cantilever brakes. I just want to replace the cables*, and the straddle cables gave me a quandary. Mafac straddle-cable ends are old-style gearshift cable lugs, and there's a fitting they goes into to engage the brake arm. In the old days, we'd replace the straddle with any good gear shift cable (Campy's were generally beefier), but modern index-shift gear cables seem a bit fragile for brake work. Thoughts? Mark J. *The brake shoes were replaced long ago with Cool-Stop ?Eagle claws?, so that's covered. Mafac pads were a bit of a fright. |
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#2
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Mafac cantilever straddle cables
On 08/08/18 09:00, Mark J. wrote:
Hi all, I'm renovating an ancient bike with 70's Mafac cantilever brakes.Â* I just want to replace the cables*, and the straddle cables gave me a quandary. Mafac straddle-cable ends are old-style gearshift cable lugs, and there's a fitting they goes into to engage the brake arm. In the old days, we'd replace the straddle with any good gear shift cable (Campy's were generally beefier), but modern index-shift gear cables seem a bit fragile for brake work. Thoughts? see if you can source cable of the desired thickness and swagged/press lumps on the end(s). Depending on the wear points, you might be able to feather the end of the old cable into a new cable and solder/braze a join, but the join will have to be in a length of straight cable. |
#3
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Mafac cantilever straddle cables
On Tuesday, August 7, 2018 at 7:00:49 PM UTC-4, Mark J. wrote:
Hi all, I'm renovating an ancient bike with 70's Mafac cantilever brakes. I just want to replace the cables*, and the straddle cables gave me a quandary. Mafac straddle-cable ends are old-style gearshift cable lugs, and there's a fitting they goes into to engage the brake arm. In the old days, we'd replace the straddle with any good gear shift cable (Campy's were generally beefier), but modern index-shift gear cables seem a bit fragile for brake work. Thoughts? Mark J. *The brake shoes were replaced long ago with Cool-Stop ?Eagle claws?, so that's covered. Mafac pads were a bit of a fright. With any luck A. Muzi will have some. He runs Yellow Jersey Bicycle Shop in Wisconsin and has all sorts of old stuff. Cheers |
#4
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Mafac cantilever straddle cables
On 8/7/2018 6:00 PM, Mark J. wrote:
Hi all, I'm renovating an ancient bike with 70's Mafac cantilever brakes. I just want to replace the cables*, and the straddle cables gave me a quandary. Mafac straddle-cable ends are old-style gearshift cable lugs, and there's a fitting they goes into to engage the brake arm. In the old days, we'd replace the straddle with any good gear shift cable (Campy's were generally beefier), but modern index-shift gear cables seem a bit fragile for brake work. Thoughts? Mark J. *The brake shoes were replaced long ago with Cool-Stop ?Eagle claws?, so that's covered. Mafac pads were a bit of a fright. Use Campagnolo (or Simplex if available) gear wires. The head fits nicely in your Mafac carriers but Shimano type heads jam in place. As regards strength/quality, modern wires of all types are uniformly better period. p.s. Kool Stop has Mafac type inserts in both black and salmon compound if you can find your original shiny aluminum holders. p.p.s. Simichrome is your friend for classic not-anodized Duraluminum parts. -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 |
#5
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Mafac cantilever straddle cables
On 8/7/2018 7:47 PM, news18 wrote:
On 08/08/18 09:00, Mark J. wrote: Hi all, I'm renovating an ancient bike with 70's Mafac cantilever brakes. I just want to replace the cables*, and the straddle cables gave me a quandary. Mafac straddle-cable ends are old-style gearshift cable lugs, and there's a fitting they goes into to engage the brake arm. In the old days, we'd replace the straddle with any good gear shift cable (Campy's were generally beefier), but modern index-shift gear cables seem a bit fragile for brake work. Thoughts? see if you can source cable of the desired thickness and swagged/press lumps on the end(s). Depending on the wear points, you might be able to feather the end of the old cable into a new cable and solder/braze a join, but the join will have to be in a length of straight cable. One day if you're bored enough, melt the head off a brake wire and note the wires are punched to an 'onion' shape before the head is cast around them. Merely soldering a lump of lead-substitute on a wire is unsafe. -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 |
#6
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Mafac cantilever straddle cables
On Tuesday, August 7, 2018 at 4:00:49 PM UTC-7, Mark J. wrote:
Hi all, I'm renovating an ancient bike with 70's Mafac cantilever brakes. I just want to replace the cables*, and the straddle cables gave me a quandary. Mafac straddle-cable ends are old-style gearshift cable lugs, and there's a fitting they goes into to engage the brake arm. In the old days, we'd replace the straddle with any good gear shift cable (Campy's were generally beefier), but modern index-shift gear cables seem a bit fragile for brake work. Thoughts? Mark J. *The brake shoes were replaced long ago with Cool-Stop ?Eagle claws?, so that's covered. Mafac pads were a bit of a fright. Dude, one word: Tektro R539 Road Brakeset. O.K., that's three words, some numbers . . . and a letter. Or, from Jan: https://www.compasscycle.com/shop/co...straddle-wire/ -- Jay Beattie. |
#7
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Mafac cantilever straddle cables
On 08/08/18 12:17, AMuzi wrote:
On 8/7/2018 7:47 PM, news18 wrote: On 08/08/18 09:00, Mark J. wrote: Hi all, I'm renovating an ancient bike with 70's Mafac cantilever brakes.ÂÂ* I just want to replace the cables*, and the straddle cables gave me a quandary. Mafac straddle-cable ends are old-style gearshift cable lugs, and there's a fitting they goes into to engage the brake arm. In the old days, we'd replace the straddle with any good gear shift cable (Campy's were generally beefier), but modern index-shift gear cables seem a bit fragile for brake work. Thoughts? see if you can source cable of the desired thickness and swagged/press lumps on the end(s). Depending on the wear points, you might be able to feather the end of the old cable into a new cable and solder/braze a join, but the join will have to be in a length of straight cable. One day if you're bored enough, melt the head off a brake wire and note the wires are punched to an 'onion' shape before the head is cast around them. Merely soldering a lump of lead-substitute on a wire is unsafe. Which wasn't suggested. Also, I'd be surprised if any of the swagging/swagged ends had lead in them as any stage. YMMV, but we're infested with Tool Shops that will sell you a decent press exconomically, if you didn't want to invest in a swagging hand tool. |
#8
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Mafac cantilever straddle cables
On 08/08/18 01:00, Mark J. wrote:
Hi all, I'm renovating an ancient bike with 70's Mafac cantilever brakes.Â* I just want to replace the cables*, and the straddle cables gave me a quandary. Mafac straddle-cable ends are old-style gearshift cable lugs, and there's a fitting they goes into to engage the brake arm. In the old days, we'd replace the straddle with any good gear shift cable (Campy's were generally beefier), but modern index-shift gear cables seem a bit fragile for brake work. Thoughts? Mark J. *The brake shoes were replaced long ago with Cool-Stop ?Eagle claws?, so that's covered.Â* Mafac pads were a bit of a fright. Gear cables are a lot thinner. I'd get a normal brake straddle and grind the lumps off until they fit. |
#9
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Mafac cantilever straddle cables
On 8/8/2018 12:14 AM, Tosspot wrote:
On 08/08/18 01:00, Mark J. wrote: Hi all, I'm renovating an ancient bike with 70's Mafac cantilever brakes. I just want to replace the cables*, and the straddle cables gave me a quandary. Mafac straddle-cable ends are old-style gearshift cable lugs, and there's a fitting they goes into to engage the brake arm. In the old days, we'd replace the straddle with any good gear shift cable (Campy's were generally beefier), but modern index-shift gear cables seem a bit fragile for brake work. Thoughts? Mark J. *The brake shoes were replaced long ago with Cool-Stop ?Eagle claws?, so that's covered. Mafac pads were a bit of a fright. Gear cables are a lot thinner. I'd get a normal brake straddle and grind the lumps off until they fit. The hole in Mafac transverse anchors is small for a standard brake wire, then or now. -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 |
#10
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Mafac cantilever straddle cables
On 8/8/2018 1:14 AM, Tosspot wrote:
On 08/08/18 01:00, Mark J. wrote: Hi all, I'm renovating an ancient bike with 70's Mafac cantilever brakes.Â* I just want to replace the cables*, and the straddle cables gave me a quandary. Mafac straddle-cable ends are old-style gearshift cable lugs, and there's a fitting they goes into to engage the brake arm. In the old days, we'd replace the straddle with any good gear shift cable (Campy's were generally beefier), but modern index-shift gear cables seem a bit fragile for brake work. Thoughts? Mark J. *The brake shoes were replaced long ago with Cool-Stop ?Eagle claws?, so that's covered.Â* Mafac pads were a bit of a fright. Gear cables are a lot thinner.Â* I'd get a normal brake straddle and grind the lumps off until they fit. I used a gear cable when I wanted a custom straddle cable for a mixte frame. I wanted the rear center pull brake's straddle cable to wrap around the front of the seat tube. I made a new steel button for the bare end of the cable and soldered it in place. The hole in the button was countersunk at the far end, and the cable frayed outward. The bike's still in the extended family and working well. I used that same trick back in the 1970s when my motorcycle's clutch cable stripped out of its end button. -- - Frank Krygowski |
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