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#21
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How long should caliper brake springs last?
On 2017-07-31 20:21, Frank Krygowski wrote:
On 7/31/2017 5:50 PM, sms wrote: On 7/27/2017 6:40 PM, John B. Slocomb wrote: On Thu, 27 Jul 2017 09:57:44 -0700, sms wrote: On 7/27/2017 7:08 AM, AMuzi wrote: snip In theory maybe but I've never seen that in real life. Rust is ugly but in terms of % reduction of cross section of a spring, it's meaningless. The spring is not rusty. But it pops out with no effort, it's just not springy anymore. It seems to be fatigued. The brake sets are cleaned and lubed. I may still order some springs to use these brakes on another road bike which has lower quality brakes. If I were in Wisconsin, I'm sure that AMuzi would have the springs in stock, but the shops in Silicon Valley have little interest in stocking and selling little parts like this. Probably because no one but you ever wanted to buy any :-( Yet they are available online, so clearly someone has wanted them, and there are instructions online that refer to the need to replace weak springs. There are? Where? The springs? For example he http://www.ebay.com/itm/NEW-Campagno...-/172611044107 Old American saying: If you don't take care of your customer somebody else will. AMuzi shows them he http://www.yellowjersey.org/dcbitz.html By that argument, people must have to replace flat-concave mounting washers too. Metal fatigue, is it? Obviously Andrew does take care of his customers. Plus peobably a lot of other people who were told by their LBS "Just buy a whole new brake". -- Regards, Joerg http://www.analogconsultants.com/ |
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#22
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How long should caliper brake springs last?
On Friday, August 4, 2017 at 12:18:03 PM UTC-7, Joerg wrote:
On 2017-07-31 20:21, Frank Krygowski wrote: On 7/31/2017 5:50 PM, sms wrote: On 7/27/2017 6:40 PM, John B. Slocomb wrote: On Thu, 27 Jul 2017 09:57:44 -0700, sms wrote: On 7/27/2017 7:08 AM, AMuzi wrote: snip In theory maybe but I've never seen that in real life. Rust is ugly but in terms of % reduction of cross section of a spring, it's meaningless. The spring is not rusty. But it pops out with no effort, it's just not springy anymore. It seems to be fatigued. The brake sets are cleaned and lubed. I may still order some springs to use these brakes on another road bike which has lower quality brakes. If I were in Wisconsin, I'm sure that AMuzi would have the springs in stock, but the shops in Silicon Valley have little interest in stocking and selling little parts like this. Probably because no one but you ever wanted to buy any :-( Yet they are available online, so clearly someone has wanted them, and there are instructions online that refer to the need to replace weak springs. There are? Where? The springs? For example he http://www.ebay.com/itm/NEW-Campagno...-/172611044107 Old American saying: If you don't take care of your customer somebody else will. AMuzi shows them he http://www.yellowjersey.org/dcbitz.html By that argument, people must have to replace flat-concave mounting washers too. Metal fatigue, is it? Obviously Andrew does take care of his customers. Plus peobably a lot of other people who were told by their LBS "Just buy a whole new brake". Who knows if one of the zillion shops in the Silicon Valley has an old Diacomp spring. I'm sure SMS hasn't called them all. There are old shops in the Valley that probably have that sort of thing hanging around -- PAB, Cupertino, Wheel-a-Way, etc., etc. George probably has one sitting around. https://www.yelp.com/biz/sloughs-bike-shoppe-san-jose I don't fault any shop for not carrying a spring from a low-end, 30 year old brake. If I wanted a spring for my old Campy brakes (I don't since they're in a box -- all three pairs), I'd walk across the street from my neighborhood market. http://www.burlingamebikes.com/maintenance-repair/ I've never replaced a brake spring except on an old Paul NeoRetro. If I had a Diacomp, I'd go ratting through a box at the Community Cycling Center. http://tinyurl.com/y7d3tydt Start digging! Or maybe over at Citybikes. http://tinyurl.com/ybgsrz5m More digging! I refuse to believe SCV is the bicycle wasteland SMS claims it to be. -- Jay Beattie. |
#23
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How long should caliper brake springs last?
On 2017-08-04 15:10, jbeattie wrote:
On Friday, August 4, 2017 at 12:18:03 PM UTC-7, Joerg wrote: On 2017-07-31 20:21, Frank Krygowski wrote: On 7/31/2017 5:50 PM, sms wrote: On 7/27/2017 6:40 PM, John B. Slocomb wrote: On Thu, 27 Jul 2017 09:57:44 -0700, sms wrote: On 7/27/2017 7:08 AM, AMuzi wrote: snip In theory maybe but I've never seen that in real life. Rust is ugly but in terms of % reduction of cross section of a spring, it's meaningless. The spring is not rusty. But it pops out with no effort, it's just not springy anymore. It seems to be fatigued. The brake sets are cleaned and lubed. I may still order some springs to use these brakes on another road bike which has lower quality brakes. If I were in Wisconsin, I'm sure that AMuzi would have the springs in stock, but the shops in Silicon Valley have little interest in stocking and selling little parts like this. Probably because no one but you ever wanted to buy any :-( Yet they are available online, so clearly someone has wanted them, and there are instructions online that refer to the need to replace weak springs. There are? Where? The springs? For example he http://www.ebay.com/itm/NEW-Campagno...-/172611044107 Old American saying: If you don't take care of your customer somebody else will. AMuzi shows them he http://www.yellowjersey.org/dcbitz.html By that argument, people must have to replace flat-concave mounting washers too. Metal fatigue, is it? Obviously Andrew does take care of his customers. Plus peobably a lot of other people who were told by their LBS "Just buy a whole new brake". Who knows if one of the zillion shops in the Silicon Valley has an old Diacomp spring. I'm sure SMS hasn't called them all. There are old shops in the Valley that probably have that sort of thing hanging around -- PAB, Cupertino, Wheel-a-Way, etc., etc. George probably has one sitting around. https://www.yelp.com/biz/sloughs-bike-shoppe-san-jose I don't fault any shop for not carrying a spring from a low-end, 30 year old brake. If I wanted a spring for my old Campy brakes (I don't since they're in a box -- all three pairs), I'd walk across the street from my neighborhood market. http://www.burlingamebikes.com/maintenance-repair/ I've never replaced a brake spring except on an old Paul NeoRetro. If I had a Diacomp, I'd go ratting through a box at the Community Cycling Center. http://tinyurl.com/y7d3tydt Start digging! Or maybe over at Citybikes. http://tinyurl.com/ybgsrz5m More digging! I refuse to believe SCV is the bicycle wasteland SMS claims it to be. Also, a good bike shop isn't supposed to just say "Sorry, we don't have it". They are supposed to say "We could search and possibly order it for you but it wouldn't be very cheap". That's what my LBS did when I wanted stanchion protectors for my MTB. "You want WHAT? Ok, I'll try to get them for you" and he did. -- Regards, Joerg http://www.analogconsultants.com/ |
#24
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How long should caliper brake springs last?
Sure. Springs pistons washeRS excess from the process
Diddle diddle Tinker tinker Which is cool ok learning what Economically unsound Unsound in trajectory Replace unit Assemble all unit parts , replace The parts scene also tilts to racers where Part X is said to give more speed when new... ? The idea yawl weenie hither n yon rebuilding a $20 unit with a $5 spring is nutty caws it's still a worn unit |
#25
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How long should caliper brake springs last?
On Friday, August 4, 2017 at 3:20:44 PM UTC-7, Joerg wrote:
On 2017-08-04 15:10, jbeattie wrote: On Friday, August 4, 2017 at 12:18:03 PM UTC-7, Joerg wrote: On 2017-07-31 20:21, Frank Krygowski wrote: On 7/31/2017 5:50 PM, sms wrote: On 7/27/2017 6:40 PM, John B. Slocomb wrote: On Thu, 27 Jul 2017 09:57:44 -0700, sms wrote: On 7/27/2017 7:08 AM, AMuzi wrote: snip In theory maybe but I've never seen that in real life. Rust is ugly but in terms of % reduction of cross section of a spring, it's meaningless. The spring is not rusty. But it pops out with no effort, it's just not springy anymore. It seems to be fatigued. The brake sets are cleaned and lubed. I may still order some springs to use these brakes on another road bike which has lower quality brakes. If I were in Wisconsin, I'm sure that AMuzi would have the springs in stock, but the shops in Silicon Valley have little interest in stocking and selling little parts like this. Probably because no one but you ever wanted to buy any :-( Yet they are available online, so clearly someone has wanted them, and there are instructions online that refer to the need to replace weak springs. There are? Where? The springs? For example he http://www.ebay.com/itm/NEW-Campagno...-/172611044107 Old American saying: If you don't take care of your customer somebody else will. AMuzi shows them he http://www.yellowjersey.org/dcbitz.html By that argument, people must have to replace flat-concave mounting washers too. Metal fatigue, is it? Obviously Andrew does take care of his customers. Plus peobably a lot of other people who were told by their LBS "Just buy a whole new brake". Who knows if one of the zillion shops in the Silicon Valley has an old Diacomp spring. I'm sure SMS hasn't called them all. There are old shops in the Valley that probably have that sort of thing hanging around -- PAB, Cupertino, Wheel-a-Way, etc., etc. George probably has one sitting around. https://www.yelp.com/biz/sloughs-bike-shoppe-san-jose I don't fault any shop for not carrying a spring from a low-end, 30 year old brake. If I wanted a spring for my old Campy brakes (I don't since they're in a box -- all three pairs), I'd walk across the street from my neighborhood market. http://www.burlingamebikes.com/maintenance-repair/ I've never replaced a brake spring except on an old Paul NeoRetro. If I had a Diacomp, I'd go ratting through a box at the Community Cycling Center. http://tinyurl.com/y7d3tydt Start digging! Or maybe over at Citybikes. http://tinyurl.com/ybgsrz5m More digging! I refuse to believe SCV is the bicycle wasteland SMS claims it to be. Also, a good bike shop isn't supposed to just say "Sorry, we don't have it". They are supposed to say "We could search and possibly order it for you but it wouldn't be very cheap". That's what my LBS did when I wanted stanchion protectors for my MTB. "You want WHAT? Ok, I'll try to get them for you" and he did. SMS went in through the back door of a closed shop and talked to a mechanic who graciously sold him some nice Ultegra brakes for $50. That's a pretty good bike shop in my opinion. He probably could have haggled him down to $35 -- or simply walked away and gone to shop that was open. I don't expect much service from closed shops. Most of them just say "we're closed." They even have signs that say "closed." I've seen those. -- Jay Beattie. |
#26
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How long should caliper brake springs last?
This long Enzoid
goo.gl/266vpB |
#27
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How long should caliper brake springs last?
On 8/4/2017 3:18 PM, Joerg wrote:
On 2017-07-31 20:21, Frank Krygowski wrote: On 7/31/2017 5:50 PM, sms wrote: On 7/27/2017 6:40 PM, John B. Slocomb wrote: On Thu, 27 Jul 2017 09:57:44 -0700, sms wrote: On 7/27/2017 7:08 AM, AMuzi wrote: snip In theory maybe but I've never seen that in real life. Rust is ugly but in terms of % reduction of cross section of a spring, it's meaningless. The spring is not rusty. But it pops out with no effort, it's just not springy anymore. It seems to be fatigued. The brake sets are cleaned and lubed. I may still order some springs to use these brakes on another road bike which has lower quality brakes. If I were in Wisconsin, I'm sure that AMuzi would have the springs in stock, but the shops in Silicon Valley have little interest in stocking and selling little parts like this. Probably because no one but you ever wanted to buy any :-( Yet they are available online, so clearly someone has wanted them, and there are instructions online that refer to the need to replace weak springs. There are? Where? The springs? No, Joerg. The instructions. Where are those instructions online that refer to the need to replace weak springs.? -- - Frank Krygowski |
#28
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How long should caliper brake springs last?
Try a rubber washer shim or plug insert or a fix to plunger
https://www.mcmaster.com/#rubber-plugs/=18svpmt |
#29
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How long should caliper brake springs last?
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#30
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How long should caliper brake springs last?
On Friday, August 4, 2017 at 11:26:30 PM UTC-4, wrote:
https://www.mcmaster.com/#aramid-washers/=18sw128 https://www.mcmaster.com/#standard-washers/=18t3zeg |
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