Identifying this "Shimano Racing Components" bike
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Identifying this "Shimano Racing Components" bike
Postby dave_cyclist » Wed Nov 29, 2023 1:50 pm
Shimano 6 speed cassette freewheel: Shimano SIS MH: August 1988 VIA MF-Z012 Japan
Suntour Cyclone cranks: LP, CC: March 1986
Shimano RX100 front derailleur: 1992, TF: June 1995
Suntour Accushift 4050 rear derailleur: EC: March 1988
Brakes: Dia Comp
Levers: Dia Comp Aero
Gears front 52/42
Gears rear 13-23
Frame: Tangealoy which puts it around the Repco Eurosport Tri-A spec
Weight: 10.8 kg
Pictures attached.
Thanks very much in advance Dave
https://flic.kr/p/2pix7sm
https://flic.kr/p/2piqWiy
https://flic.kr/p/2pixL82
https://flic.kr/p/2pivsmk
https://flic.kr/p/2pixLcR
https://flic.kr/p/2pixLck
https://flic.kr/p/2piwx15
https://flic.kr/p/2pivssT
https://flic.kr/p/2pivstu
https://flic.kr/p/2piwx1L
https://flic.kr/p/2pixLhk
- familyguy
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Re: Identifying this "Shimano Racing Components" bike
Postby familyguy » Wed Nov 29, 2023 2:03 pm
It's a good size, for once. Either it's a really long seat tube (65c/c?), or it's way off square (64x58 or something?)
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Re: Identifying this "Shimano Racing Components" bike
Postby dave_cyclist » Thu Nov 30, 2023 12:26 am
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Re: Identifying this "Shimano Racing Components" bike
Postby elantra » Thu Nov 30, 2023 10:30 am
The Italian-made mid-1980’s Europa frames usually did not have any serial number on the frame.dave_cyclist wrote: ↑Thu Nov 30, 2023 12:26 amHello, no serial number that can be seen unfortunately, thanks for the information though
But as far as I know the Europa Italian frames do usually have the frame size in cm stamped under the bottom bracket.
As yours appears to be a fairly large frame then look for a “61” stamped under bottom bracket.
However if it made from Tangalloy tubing then it’s very unlikely to be an Italian frame.
That is unless the Tangalloy sticker is just an add-on, like all those Shimano stickers.
Anyway it looks like a nice frame.
Most of the running gear on it, especially the Suntour and RX100 bits do work extremely well with a little TLC.
The gear ratios however are not very hill-friendly !
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Re: Identifying this "Shimano Racing Components" bike
Postby dave_cyclist » Thu Nov 30, 2023 4:43 pm
https://flic.kr/p/2piJeSr
https://flic.kr/p/2piJeRQ
https://flic.kr/p/2piLxVL
https://flic.kr/p/2piJeRE
https://flic.kr/p/2piLxVF
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Re: Identifying this "Shimano Racing Components" bike
Postby elantra » Thu Nov 30, 2023 10:27 pm
Actually in one of your pictures there appears to be water bottle mounting points UNDER the frame tubing (downtube).
This suggests that it is a Touring frame.
Touring bicycles with 3 mounting points for water bottles were the bees knees in the 1980’s.
If it is one of these it’s more than likely Japanese built or local (Australian) custom build.
Probably the latter - because the Japanese and Taiwanese love to put serial numbers on their bike frames !
And I get what you are saying about the gearing.
I am not a fan of “spinning” the legs - also known as high cadence. But I concede that it can be very effective for some people.
Back in the late 1980’s I used to do Coottha on a Repco Vertex with 42 tooth inner chainring and 6-speed 13-24 cogs on the back.
For climbs like Coottha if you are young and fit then 42 x 24 is going to be very effective.
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Re: Identifying this "Shimano Racing Components" bike
Postby dave_cyclist » Thu Nov 30, 2023 10:56 pm
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Re: Identifying this "Shimano Racing Components" bike
Postby familyguy » Fri Dec 01, 2023 9:35 am
https://flic.kr/p/2pixL82
These two photos show an interesting detail. The downtube appears to be flared out once it emerges from the bottom bracket, around the bottle boss area. Assuming it's not massively kinked and it is a flare in the tube, this would be a detail that might give some indication as to origin. Can't say I've come across that before.
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Re: Identifying this "Shimano Racing Components" bike
Postby dave_cyclist » Fri Dec 01, 2023 11:26 am
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Re: Identifying this "Shimano Racing Components" bike
Postby dave_cyclist » Fri Dec 01, 2023 11:28 am
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Re: Identifying this "Shimano Racing Components" bike
Postby familyguy » Fri Dec 01, 2023 11:40 am
So it is, looking closer at some of the photos. Intriguing.dave_cyclist wrote: ↑Fri Dec 01, 2023 11:28 amAnd that same flare is at the other end as you may see from the other photos so I think it's designed that way
Does it sound/feel like they've got a bigger tube sleeved over a more standard tube for that length? Have you taken the bottle cage bolts out and had a look to see long the threads inside run for? Might give another clue as to whether it's a single tube been shaped or a sleeve added for endurance/strength.
Certainly increasingly looking like a custom build. It's clearly for a tall person, so perhaps the builder went fully custom and beefed it up for a lot of weight.
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Re: Identifying this "Shimano Racing Components" bike
Postby dave_cyclist » Fri Dec 01, 2023 1:35 pm
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Re: Identifying this "Shimano Racing Components" bike
Postby familyguy » Fri Dec 01, 2023 1:55 pm
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Re: Identifying this "Shimano Racing Components" bike
Postby rkelsen » Sun Dec 03, 2023 11:39 am
Nope. As others have said, it's a generic sticker set. And definitely not a track frame.
With that said, it does have some interesting features. It does look like a custom build. The long chain stays and 3rd bottle mount would suggest that it was built for touring. Longer stays would prevent heel strike with panniers.
There's only 2 cable holders on the top tube. Mass-produced bikes almost always had 3, although I did have a Raleigh that had 2. Colnago used to do 2, but that's definitely not what this frame is.
The flared downtube is weird. Never seen that before!
You seem to be riding it with the seat quite low. Is it too big for you? Can you stand over the frame without going soprano?
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Re: Identifying this "Shimano Racing Components" bike
Postby dave_cyclist » Sun Dec 03, 2023 2:37 pm
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Re: Identifying this "Shimano Racing Components" bike
Postby rkelsen » Mon Dec 04, 2023 1:30 pm
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Re: Identifying this "Shimano Racing Components" bike
Postby DernyDriver » Mon Dec 04, 2023 3:14 pm
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Re: Identifying this "Shimano Racing Components" bike
Postby dave_cyclist » Sat Jan 06, 2024 8:59 pm
IMG_20240106_141308 by Dave R, on Flickr
IMG_20240106_142918 by Dave R, on Flickr
IMG_20240101_211654 by Dave R, on Flickr
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