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Shimano 105, can't tell what year

Old 11-24-14, 10:13 PM
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suz15
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Shimano 105, can't tell what year

Hi there,

We just received a Shimano 105 and we arent sure what year it is. It's white and turquoise, white seat,,, appears to be original paint and is still rideable. We think the serial number is GH 708917. Again, the first 2 letters are pretty hard to read. Is there some type of way to be able to tell what year this is?

Thank you
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Old 11-24-14, 11:09 PM
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Need to provide a link to a photo. Shimano 105 is the make/model of the derailleurs and other components. Sounds like a Cannondale, though.
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Old 11-26-14, 08:31 PM
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suz15
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Hi,

Here are some pictures, I hope this works.
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Bike1.jpg (87.2 KB, 60 views)
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Bike2.jpg (95.9 KB, 139 views)
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Old 11-26-14, 08:32 PM
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Thank you all, just curious what kind of bike this is.
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Old 11-26-14, 08:43 PM
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I think it's an old Specialized Allez,based on the paint job. I'm not a Specialized Guy, but I would guess it dates somewhere between the middle to late 1980s based on the look of the single pivot sidepull brake calipers.

How many gear cogs on the freewheel on the rear wheel?
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Old 11-26-14, 09:59 PM
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Originally Posted by RoadGuy View Post
I think it's an old Specialized Allez,based on the paint job. I'm not a Specialized Guy, but I would guess it dates somewhere between the middle to late 1980s based on the look of the single pivot sidepull brake calipers.

How many gear cogs on the freewheel on the rear wheel?
...that's my best guess, too. There were some other Specialized road bikes that were similar. I think maybe the Sirrus had 105 at one time.
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Old 11-26-14, 11:45 PM
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I believe it is a 1988 Sirrus with decals removed...
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Old 11-27-14, 08:02 AM
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In the first picture, the fork crown has the Specialized "S" on it...even more reason to believe it is Specialized...
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Old 11-27-14, 01:43 PM
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I appreciate everyones input. Would like to fix it up, but, have a feeling that the parts are going to be very expensive. But, who knows.
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Old 11-27-14, 03:14 PM
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What parts? It looks in pretty good shape to start with. good cleaning and overhaul should be all it needs. Maybe some new bar tape and if it was mine I woul put some new brake pads.

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Old 11-28-14, 01:47 PM
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Originally Posted by suz15 View Post
I appreciate everyones input. Would like to fix it up, but, have a feeling that the parts are going to be very expensive. But, who knows.
Originally Posted by Bianchigirll View Post
What parts? It looks in pretty good shape to start with. good cleaning and overhaul should be all it needs. Maybe some new bar tape and if it was mine I woul put some new brake pads.

...+1. In all likelihood it simply requires overhaul maintenance like cleaning and greasing the bearings. If you've not done this before, I suggest you avail yourself of some help (either professional or someone you know, maybe a bike co-op in your neighborhood) because it is possible to damage stuff taking it apart.

Also, get some one who knows what they are doing to run the spoke tensions and check the dish on your wheels. They're mismatched, so at least one is a replacement.


If someone took reasonable care of it, and the chain is not stretched (thus wearing the cog teeth), it ought to outlast you. All this assumes it is your correct size.
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Old 12-04-14, 08:39 AM
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I agree with some minor cleaning and lube. New bar tape, new seat, and spray some WD40 on a rag to wipe the funk off of your hoods and you'd have a solid looking bike. I like it.
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