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#1
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How do you clean "Gum Wall" glop from rims?
I have a friend who has an old Schwinn Collegiate. He wants to ride it again after leaving it hang in the garage for decades. The gum wall tires have degraded and most of the residue has stuck itself to the inside and outside walls of the rims. I tried cleaning it off with mineral spirits and scraping it with a plastic scraper. After an hour's work the front rim was clean enough to accept a new front tire. What ideas do you have to save some time/work in getting the rear rim nice and clean without damaging the chrome of the steel Schwinn rim? Thank you in advance for any helpfu ideas. David Ornee, Western Springs, IL -- daveornee |
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#2
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How do you clean "Gum Wall" glop from rims?
daveornee wrote: I have a friend who has an old Schwinn Collegiate. He wants to ride it again after leaving it hang in the garage for decades. The gum wall tires have degraded and most of the residue has stuck itself to the inside and outside walls of the rims. I tried cleaning it off with mineral spirits and scraping it with a plastic scraper. After an hour's work the front rim was clean enough to accept a new front tire. What ideas do you have to save some time/work in getting the rear rim nice and clean without damaging the chrome of the steel Schwinn rim? Thank you in advance for any helpfu ideas. David Ornee, Western Springs, IL -- daveornee Your description matches what I faced with a long-stored bike that was given to me. It's also a Schwinn but with alum. rims. While the tire rubber was dry and crumbly, for the most part, a significant amount of goo adhered to the rims. I tried a little laquer thinner, rubbed on a small affected area with a flat piece of pine. A new wooden paint stirrer would probably work as well and is easy to acquire. Thinner didn't work as fast as I had thought it would, so after a short time I decided to abandon it and use just the wood and water. The water acted to keep displaced goo from re-adhering. There's probably a better, faster method but what I describe here worked in the end. That was 2-3 years ago and I don't remember how long the job took but I'd guess a couple hours per rim. Michael |
#3
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How do you clean "Gum Wall" glop from rims?
On May 26, 9:34 pm, daveornee daveornee.2r8...@no-
mx.forums.cyclingforums.com wrote: I have a friend who has an old Schwinn Collegiate. He wants to ride it again after leaving it hang in the garage for decades. The gum wall tires have degraded and most of the residue has stuck itself to the inside and outside walls of the rims. I tried cleaning it off with mineral spirits and scraping it with a plastic scraper. After an hour's work the front rim was clean enough to accept a new front tire. What ideas do you have to save some time/work in getting the rear rim nice and clean without damaging the chrome of the steel Schwinn rim? Thank you in advance for any helpfu ideas. Steel wool soap pads work fine, as chrome is pretty hard. That said, the best thing to do would be to re-rim with alloy rims and some nice tires. I've mentioned way too many times how pleased I am with the Alex X404s shod with Vittoria Zaffiro 27x1 1/4 tires on my Sprite, probably because I ride it in flip flops a lot this time of year, but I'll mention it again. Only about $50 to do the switch, and it'll brake great and ride wonderfully. This of course depends on the inside diameter of the rim being a close enough match. Once thing I especially like about the profile of the X404 is that it has a bit of a Westwood rim style, a bit of an obscure homage to those geeks in the know. |
#4
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How do you clean "Gum Wall" glop from rims?
daveornee wrote:
I have a friend who has an old Schwinn Collegiate. He wants to ride it again after leaving it hang in the garage for decades. The gum wall tires have degraded and most of the residue has stuck itself to the inside and outside walls of the rims. I tried cleaning it off with mineral spirits and scraping it with a plastic scraper. After an hour's work the front rim was clean enough to accept a new front tire. What ideas do you have to save some time/work in getting the rear rim nice and clean without damaging the chrome of the steel Schwinn rim? Thank you in advance for any helpfu ideas. We spin the wheel and use a screwdriver as if it were a lathe tool agains the rim. quick and dirty but solvents take forever - more shop time than a Collegiate is ever worth. -- Andrew Muzi www.yellowjersey.org Open every day since 1 April, 1971 |
#5
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How do you clean "Gum Wall" glop from rims?
daveornee wrote:
I have a friend who has an old Schwinn Collegiate. He wants to ride it again after leaving it hang in the garage for decades. The gum wall tires have degraded and most of the residue has stuck itself to the inside and outside walls of the rims. I tried cleaning it off with mineral spirits and scraping it with a plastic scraper. After an hour's work the front rim was clean enough to accept a new front tire. What ideas do you have to save some time/work in getting the rear rim nice and clean without damaging the chrome of the steel Schwinn rim? Thank you in advance for any helpfu ideas. landotter wrote: Steel wool soap pads work fine, as chrome is pretty hard. That said, the best thing to do would be to re-rim with alloy rims and some nice tires. I've mentioned way too many times how pleased I am with the Alex X404s shod with Vittoria Zaffiro 27x1 1/4 tires on my Sprite, probably because I ride it in flip flops a lot this time of year, but I'll mention it again. Only about $50 to do the switch, and it'll brake great and ride wonderfully. This of course depends on the inside diameter of the rim being a close enough match. Once thing I especially like about the profile of the X404 is that it has a bit of a Westwood rim style, a bit of an obscure homage to those geeks in the know. Collegiates are EA1 (597mm) not 27-inch -- Andrew Muzi www.yellowjersey.org Open every day since 1 April, 1971 |
#6
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How do you clean "Gum Wall" glop from rims?
A Muzi Wrote: daveornee wrote: I have a friend who has an old Schwinn Collegiate. He wants to ride it again after leaving it hang in the garage for decades. The gum wall tires have degraded and most of the residue has stuck itself to the inside and outside walls of the rims. I tried cleaning it off with mineral spirits and scraping it with a plastic scraper. After an hour's work the front rim was clean enough to accept a new front tire. What ideas do you have to save some time/work in getting the rear rim nice and clean without damaging the chrome of the steel Schwinn rim? Thank you in advance for any helpfu ideas. landotter wrote: Steel wool soap pads work fine, as chrome is pretty hard. That said, the best thing to do would be to re-rim with alloy rims and some nice tires. I've mentioned way too many times how pleased I am with the Alex X404s shod with Vittoria Zaffiro 27x1 1/4 tires on my Sprite, probably because I ride it in flip flops a lot this time of year, but I'll mention it again. Only about $50 to do the switch, and it'll brake great and ride wonderfully. This of course depends on the inside diameter of the rim being a close enough match. Once thing I especially like about the profile of the X404 is that it has a bit of a Westwood rim style, a bit of an obscure homage to those geeks in the know. Collegiates are EA1 (597mm) not 27-inch -- Andrew Muzi www.yellowjersey.org Open every day since 1 April, 1971 I thought it was BSD 597 too, but after a second trip to the local bicycle shop that sells tires for older Schwinn, I found out they are 630 BSD on this Collegiate. I have a Collegiate of about the same vintage (mine has chrome fenders) that is 597 BSD. My friend's Collegiate has matching green fenders, rim wall generator, front/rear light, but his rims are 630 BSD and 27" tires fit perfectly. I wish his Collegiate were worth more, but I will see what he does with it. He is recovering from his 3rd heart surgery. He thinks that bicycle riding will extend the qualtiy of life. I want to encourage him without raising to many expectations or spending too much more time and money. $44 for new tires and tubes was sticker shock for him. I was hoping someone would tell me that they used fingernail polish rmover (Acetone) or "Goo-Gone" and the goop came off in a minute without scratching anything.. Oh well, so much for those hopes.' We tried the steel wool and Brillo Pads too, but didn't see much happening to the stuborn goo.... but the chrome looked brighter. -- daveornee |
#7
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How do you clean "Gum Wall" glop from rims?
daveornee wrote:
I have a friend who has an old Schwinn Collegiate. He wants to ride it again after leaving it hang in the garage for decades. The gum wall tires have degraded and most of the residue has stuck itself to the inside and outside walls of the rims. I tried cleaning it off with mineral spirits and scraping it with a plastic scraper. After an hour's work the front rim was clean enough to accept a new front tire. What ideas do you have to save some time/work in getting the rear rim nice and clean without damaging the chrome of the steel Schwinn rim? landotter wrote: Steel wool soap pads work fine, as chrome is pretty hard. That said, the best thing to do would be to re-rim with alloy rims and some nice tires. I've mentioned way too many times how pleased I am with the Alex X404s shod with Vittoria Zaffiro 27x1 1/4 tires on my Sprite, probably because I ride it in flip flops a lot this time of year, but I'll mention it again. Only about $50 to do the switch, and it'll brake great and ride wonderfully. This of course depends on the inside diameter of the rim being a close enough match. Once thing I especially like about the profile of the X404 is that it has a bit of a Westwood rim style, a bit of an obscure homage to those geeks in the know. A Muzi Wrote: Collegiates are EA1 (597mm) not 27-inch daveornee wrote: I thought it was BSD 597 too, but after a second trip to the local bicycle shop that sells tires for older Schwinn, I found out they are 630 BSD on this Collegiate. I have a Collegiate of about the same vintage (mine has chrome fenders) that is 597 BSD. My friend's Collegiate has matching green fenders, rim wall generator, front/rear light, but his rims are 630 BSD and 27" tires fit perfectly. I wish his Collegiate were worth more, but I will see what he does with it. He is recovering from his 3rd heart surgery. He thinks that bicycle riding will extend the qualtiy of life. I want to encourage him without raising to many expectations or spending too much more time and money. $44 for new tires and tubes was sticker shock for him. I was hoping someone would tell me that they used fingernail polish rmover (Acetone) or "Goo-Gone" and the goop came off in a minute without scratching anything.. Oh well, so much for those hopes.' We tried the steel wool and Brillo Pads too, but didn't see much happening to the stuborn goo.... but the chrome looked brighter. Hmmm. Mystery bike, eh? Generally Suburbans are 27-inch and painted mudguards. Collegiate EA1 with chromed mudguards. What year is it? -- Andrew Muzi www.yellowjersey.org Open every day since 1 April, 1971 |
#8
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How do you clean "Gum Wall" glop from rims?
A Muzi Wrote: daveornee wrote: I have a friend who has an old Schwinn Collegiate. He wants to ride it again after leaving it hang in the garage for decades. The gum wall tires have degraded and most of the residue has stuck itself to the inside and outside walls of the rims. I tried cleaning it off with mineral spirits and scraping it with a plastic scraper. After an hour's work the front rim was clean enough to accept a new front tire. What ideas do you have to save some time/work in getting the rear rim nice and clean without damaging the chrome of the steel Schwinn rim? landotter wrote: Steel wool soap pads work fine, as chrome is pretty hard. That said, the best thing to do would be to re-rim with alloy rims and some nice tires. I've mentioned way too many times how pleased I am with the Alex X404s shod with Vittoria Zaffiro 27x1 1/4 tires on my Sprite, probably because I ride it in flip flops a lot this time of year, but I'll mention it again. Only about $50 to do the switch, and it'll brake great and ride wonderfully. This of course depends on the inside diameter of the rim being a close enough match. Once thing I especially like about the profile of the X404 is that it has a bit of a Westwood rim style, a bit of an obscure homage to those geeks in the know. A Muzi Wrote: Collegiates are EA1 (597mm) not 27-inch daveornee wrote: I thought it was BSD 597 too, but after a second trip to the local bicycle shop that sells tires for older Schwinn, I found out they are 630 BSD on this Collegiate. I have a Collegiate of about the same vintage (mine has chrome fenders) that is 597 BSD. My friend's Collegiate has matching green fenders, rim wall generator, front/rear light, but his rims are 630 BSD and 27" tires fit perfectly. I wish his Collegiate were worth more, but I will see what he does with it. He is recovering from his 3rd heart surgery. He thinks that bicycle riding will extend the qualtiy of life. I want to encourage him without raising to many expectations or spending too much more time and money. $44 for new tires and tubes was sticker shock for him. I was hoping someone would tell me that they used fingernail polish rmover (Acetone) or "Goo-Gone" and the goop came off in a minute without scratching anything.. Oh well, so much for those hopes.' We tried the steel wool and Brillo Pads too, but didn't see much happening to the stuborn goo.... but the chrome looked brighter. Hmmm. Mystery bike, eh? Generally Suburbans are 27-inch and painted mudguards. Collegiate EA1 with chromed mudguards. What year is it? -- Andrew Muzi www.yellowjersey.org Open every day since 1 April, 1971 Well, maybe it's more of a my memory problem than a mystery. I don't know the year, but I see more value in the 27" wheel situation than my old 597 mm Collegiate. I will check my memory when I see his bicycle again. I will also look at the Serial Number to see if I can get the year. I will check with him tomorrow to see if he is ready for the "scraping steel screwdriver and spinning wheel solution". I know I wasn't ready to use more solvent or plastic scraping after an hour. BTW are there any nice & REASONABLY price aluminum 597 mm BSD rims? I have been tempted many times to upgrade the old beast. -- daveornee |
#9
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How do you clean "Gum Wall" glop from rims?
daveornee wrote:
I have a friend who has an old Schwinn Collegiate. He wants to ride it again after leaving it hang in the garage for decades. The gum wall tires have degraded and most of the residue has stuck itself to the inside and outside walls of the rims. I tried cleaning it off with mineral spirits and scraping it with a plastic scraper. After an hour's work the front rim was clean enough to accept a new front tire. What ideas do you have to save some time/work in getting the rear rim nice and clean without damaging the chrome of the steel Schwinn rim? landotter wrote: Steel wool soap pads work fine, as chrome is pretty hard. That said, the best thing to do would be to re-rim with alloy rims and some nice tires. I've mentioned way too many times how pleased I am with the Alex X404s shod with Vittoria Zaffiro 27x1 1/4 tires on my Sprite, probably because I ride it in flip flops a lot this time of year, but I'll mention it again. Only about $50 to do the switch, and it'll brake great and ride wonderfully. This of course depends on the inside diameter of the rim being a close enough match. Once thing I especially like about the profile of the X404 is that it has a bit of a Westwood rim style, a bit of an obscure homage to those geeks in the know. A Muzi Wrote: Collegiates are EA1 (597mm) not 27-inch daveornee wrote: I thought it was BSD 597 too, but after a second trip to the local bicycle shop that sells tires for older Schwinn, I found out they are 630 BSD on this Collegiate. I have a Collegiate of about the same vintage (mine has chrome fenders) that is 597 BSD. My friend's Collegiate has matching green fenders, rim wall generator, front/rear light, but his rims are 630 BSD and 27" tires fit perfectly. I wish his Collegiate were worth more, but I will see what he does with it. He is recovering from his 3rd heart surgery. He thinks that bicycle riding will extend the qualtiy of life. I want to encourage him without raising to many expectations or spending too much more time and money. $44 for new tires and tubes was sticker shock for him. I was hoping someone would tell me that they used fingernail polish rmover (Acetone) or "Goo-Gone" and the goop came off in a minute without scratching anything.. Oh well, so much for those hopes.' We tried the steel wool and Brillo Pads too, but didn't see much happening to the stuborn goo.... but the chrome looked brighter. A Muzi Wrote: Hmmm. Mystery bike, eh? Generally Suburbans are 27-inch and painted mudguards. Collegiate EA1 with chromed mudguards. What year is it? daveornee wrote: Well, maybe it's more of a my memory problem than a mystery. I don't know the year, but I see more value in the 27" wheel situation than my old 597 mm Collegiate. I will check my memory when I see his bicycle again. I will also look at the Serial Number to see if I can get the year. I will check with him tomorrow to see if he is ready for the "scraping steel screwdriver and spinning wheel solution". I know I wasn't ready to use more solvent or plastic scraping after an hour. BTW are there any nice & REASONABLY price aluminum 597 mm BSD rims? I have been tempted many times to upgrade the old beast. Probably not, as the classy Raleigh RRA, Lenton and similar tourers of the '30s through '50s used EA1 597 aluminum rims - they are highly desirable and hard to find. Changing to EA3 590 will be a little better and the brake usually spans a 590 rim; if not, a longer caliper is under $20. It's still a real project on most Collegiates. Your 27-inch bike can use cheaper standard K2 630 wheels, about $40 each. That's a happy situation by comparison. I know there are better Schwinn date guides but I can never find one so I called Richard Schwinn a few years ago and took notes: http://www.yellowjersey.org/photosfr...chwinumber.txt Dear Readers: that should not be construed as an invitation to call him up and ask about a given bike - he has a pretty full plate nowadays. -- Andrew Muzi www.yellowjersey.org Open every day since 1 April, 1971 |
#10
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How do you clean "Gum Wall" glop from rims?
In article
, daveornee wrote: A Muzi Wrote: daveornee wrote: I have a friend who has an old Schwinn Collegiate. He wants to ride it again after leaving it hang in the garage for decades. The gum wall tires have degraded and most of the residue has stuck itself to the inside and outside walls of the rims. I tried cleaning it off with mineral spirits and scraping it with a plastic scraper. After an hour's work the front rim was clean enough to accept a new front tire. What ideas do you have to save some time/work in getting the rear rim nice and clean without damaging the chrome of the steel Schwinn rim? Thank you in advance for any helpfu ideas. landotter wrote: Steel wool soap pads work fine, as chrome is pretty hard. That said, the best thing to do would be to re-rim with alloy rims and some nice tires. I've mentioned way too many times how pleased I am with the Alex X404s shod with Vittoria Zaffiro 27x1 1/4 tires on my Sprite, probably because I ride it in flip flops a lot this time of year, but I'll mention it again. Only about $50 to do the switch, and it'll brake great and ride wonderfully. This of course depends on the inside diameter of the rim being a close enough match. Once thing I especially like about the profile of the X404 is that it has a bit of a Westwood rim style, a bit of an obscure homage to those geeks in the know. Collegiates are EA1 (597mm) not 27-inch -- Andrew Muzi www.yellowjersey.org Open every day since 1 April, 1971 I thought it was BSD 597 too, but after a second trip to the local bicycle shop that sells tires for older Schwinn, I found out they are 630 BSD on this Collegiate. I have a Collegiate of about the same vintage (mine has chrome fenders) that is 597 BSD. My friend's Collegiate has matching green fenders, rim wall generator, front/rear light, but his rims are 630 BSD and 27" tires fit perfectly. I wish his Collegiate were worth more, but I will see what he does with it. He is recovering from his 3rd heart surgery. He thinks that bicycle riding will extend the qualtiy of life. I want to encourage him without raising to many expectations or spending too much more time and money. $44 for new tires and tubes was sticker shock for him. I was hoping someone would tell me that they used fingernail polish rmover (Acetone) or "Goo-Gone" and the goop came off in a minute without scratching anything.. Oh well, so much for those hopes.' We tried the steel wool and Brillo Pads too, but didn't see much happening to the stuborn goo.... but the chrome looked brighter. Acetone as a last resort. Xylol, toluol, and hexane (rubber cement thinner) are worth a try. I keep cans of all four around the house for these kinds of jobs. Methyl ethyl ketone enjoys a good reputation for removing stubborn stains. -- Michael Press |
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