Taiwanese 80’s Steel Frame??
02-19-21, 03:00 AM
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Taiwanese 80’s Steel Frame??
Looking to see if this bike is Taiwanese??
The frame is bolted to some steel Jaan Chyang Rims and and hubs, Lee Chi brake levers and Shimano 600 Components.
The frame is bolted to some steel Jaan Chyang Rims and and hubs, Lee Chi brake levers and Shimano 600 Components.
02-19-21, 08:12 AM
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It could be Taiwanese. That serial number format was used by many Taiwanese manufacturers and would appear to indicate July 1985.
The derailleurs appear to be Shimano Z-series, which was 2 steps below 600. The crankset is is Shimano 600EX which was replaced by Shimano New 600EX in 1984. Low end wheelset with steel rims and three piece, nutted, steel hub (at least on the rear. Steel handlebars. The overall impression, based on the components is entry level, with a replacement crankset.
Yet the frame has some nice features, that I wouldn't expect for the apparent price point and era. It has a nice investment cast seat lug and investment cast rear brake bridge with tangs. Nice bottle bosses too. The rear dropouts appear to be forged but it uses a claw derailleur. The BB shell appears very basic. The workmanship is competent but nothing special. I'd be very interested to know the seat post diameter. It appears to be larger than what you would typically find in hi-tensile frameset.
The derailleurs appear to be Shimano Z-series, which was 2 steps below 600. The crankset is is Shimano 600EX which was replaced by Shimano New 600EX in 1984. Low end wheelset with steel rims and three piece, nutted, steel hub (at least on the rear. Steel handlebars. The overall impression, based on the components is entry level, with a replacement crankset.
Yet the frame has some nice features, that I wouldn't expect for the apparent price point and era. It has a nice investment cast seat lug and investment cast rear brake bridge with tangs. Nice bottle bosses too. The rear dropouts appear to be forged but it uses a claw derailleur. The BB shell appears very basic. The workmanship is competent but nothing special. I'd be very interested to know the seat post diameter. It appears to be larger than what you would typically find in hi-tensile frameset.
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02-19-21, 10:07 AM
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No idea what the origin country is. Just wanted to comment that its an interesting frame. The lug geometry number wasnt filed off, yet the brake bridge is quite nice looking and would have required some time to create. As tmar mentioned- good bottle bosses too. Funky.
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02-19-21, 01:45 PM
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I wonder if someone cut the hanger off? It does look like decent frame and that for, looks down right nice
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02-19-21, 03:29 PM
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It could be Taiwanese. That serial number format was used by many Taiwanese manufacturers and would appear to indicate July 1985.
The derailleurs appear to be Shimano Z-series, which was 2 steps below 600. The crankset is is Shimano 600EX which was replaced by Shimano New 600EX in 1984. Low end wheelset with steel rims and three piece, nutted, steel hub (at least on the rear. Steel handlebars. The overall impression, based on the components is entry level, with a replacement crankset.
Yet the frame has some nice features, that I wouldn't expect for the apparent price point and era. It has a nice investment cast seat lug and investment cast rear brake bridge with tangs. Nice bottle bosses too. The rear dropouts appear to be forged but it uses a claw derailleur. The BB shell appears very basic. The workmanship is competent but nothing special. I'd be very interested to know the seat post diameter. It appears to be larger than what you would typically find in hi-tensile frameset.
The derailleurs appear to be Shimano Z-series, which was 2 steps below 600. The crankset is is Shimano 600EX which was replaced by Shimano New 600EX in 1984. Low end wheelset with steel rims and three piece, nutted, steel hub (at least on the rear. Steel handlebars. The overall impression, based on the components is entry level, with a replacement crankset.
Yet the frame has some nice features, that I wouldn't expect for the apparent price point and era. It has a nice investment cast seat lug and investment cast rear brake bridge with tangs. Nice bottle bosses too. The rear dropouts appear to be forged but it uses a claw derailleur. The BB shell appears very basic. The workmanship is competent but nothing special. I'd be very interested to know the seat post diameter. It appears to be larger than what you would typically find in hi-tensile frameset.
To be honest I picked it up for under $50 and thought the parts were worth saving. The rims can be used as anchors that I’m certain of, the frame, seems a shame to strip it.
02-19-21, 04:03 PM
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No idea what the origin country is. Just wanted to comment that its an interesting frame. The lug geometry number wasnt filed off, yet the brake bridge is quite nice looking and would have required some time to create. As tmar mentioned- good bottle bosses too. Funky.
02-19-21, 05:04 PM
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Did you check....are the brake bridge and fork drilled for recessed nuts?
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02-19-21, 05:43 PM
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02-19-21, 10:41 PM
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Yep, thanks for pointing me in the right direction francophile wasn’t thinking that it could be an angle rather than a tubing measurement!!
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02-23-21, 12:33 AM
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02-23-21, 12:39 AM
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It could be Taiwanese. That serial number format was used by many Taiwanese manufacturers and would appear to indicate July 1985.
The derailleurs appear to be Shimano Z-series, which was 2 steps below 600. The crankset is is Shimano 600EX which was replaced by Shimano New 600EX in 1984. Low end wheelset with steel rims and three piece, nutted, steel hub (at least on the rear. Steel handlebars. The overall impression, based on the components is entry level, with a replacement crankset.
Yet the frame has some nice features, that I wouldn't expect for the apparent price point and era. It has a nice investment cast seat lug and investment cast rear brake bridge with tangs. Nice bottle bosses too. The rear dropouts appear to be forged but it uses a claw derailleur. The BB shell appears very basic. The workmanship is competent but nothing special. I'd be very interested to know the seat post diameter. It appears to be larger than what you would typically find in hi-tensile frameset.
The derailleurs appear to be Shimano Z-series, which was 2 steps below 600. The crankset is is Shimano 600EX which was replaced by Shimano New 600EX in 1984. Low end wheelset with steel rims and three piece, nutted, steel hub (at least on the rear. Steel handlebars. The overall impression, based on the components is entry level, with a replacement crankset.
Yet the frame has some nice features, that I wouldn't expect for the apparent price point and era. It has a nice investment cast seat lug and investment cast rear brake bridge with tangs. Nice bottle bosses too. The rear dropouts appear to be forged but it uses a claw derailleur. The BB shell appears very basic. The workmanship is competent but nothing special. I'd be very interested to know the seat post diameter. It appears to be larger than what you would typically find in hi-tensile frameset.
02-23-21, 08:05 AM
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