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Search: Posts Made By: T-Mar
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12-07-21, 04:05 PM
Replies: 8
Views: 352
Posted By T-Mar

I've never seen Cromor with other than a blue...

I've never seen Cromor with other than a blue border. Circa 1988 Columbus changed the border colour on Aelle, then a few years later they changed the background colour. Here is a photo of a very...
12-07-21, 07:39 AM
Replies: 8
Views: 266
Posted By T-Mar

I'd also like pictures of the overall frame and...

I'd also like pictures of the overall frame and stay/blade ends to dropout transitions. It appears to be a older frame. I associate the male bottle braze-ons with early to mid 1970s models. The pump...
12-07-21, 06:41 AM
Replies: 8
Views: 352
Posted By T-Mar

I'd consider this a very low low mid-range model....

I'd consider this a very low low mid-range model. As previously noted, it is very early 1990s. The Shimano 105SC components were good value for their price range. However, I have caveats about the...
12-04-21, 02:52 PM
Replies: 12
Views: 5,570
Posted By T-Mar

That's not a SunTour Pro rear derailleur. It...

That's not a SunTour Pro rear derailleur. It appears to be a SunTour GT. It was the bottom model of SunTour's long cage derailleurs, It shifted well and was near bulletproof but very heavy, weighing...
12-03-21, 08:38 AM
Replies: 116
Views: 3,615
Posted By T-Mar

While freewheels were availble in 1890, my...

While freewheels were availble in 1890, my underatanding is that they were used primarily on adult tricycles and rarely on safety bicycles. They didn't become common on safety bicycles until around...
12-02-21, 05:54 PM
Replies: 8
Views: 271
Posted By T-Mar

I concur, that is not the OEM fork. This one is...

I concur, that is not the OEM fork. This one is circa 1985-1987 based on the Columbus decal style, dual bottle bosses and pump peg. The model name was Cilo Aelle. They typically came with a full...
12-02-21, 05:06 PM
Replies: 116
Views: 3,615
Posted By T-Mar

The fixtures 1/2 way up the fork legs are foot...

The fixtures 1/2 way up the fork legs are foot pegs. You'd place your feet on them when going down steeer hills, when the crank rpm exceeded you maximum leg cadence. Remember, these were fixed gears,...
12-02-21, 07:33 AM
Replies: 116
Views: 3,615
Posted By T-Mar

Here's my favourite weird chain technology, the...

Here's my favourite weird chain technology, the 1890s Simpson lever chain. I became aware of it in the 1970s, via the famous Toulouse-Lautrec poster. Originally, I thought that he had committed a...
12-02-21, 07:12 AM
Replies: 116
Views: 3,615
Posted By T-Mar

I don't believe that the chain is doubled, as...

I don't believe that the chain is doubled, as that would requitre dual chainwheels and cogs, or at least a groove cut into them to accommodate a middle chain plate. However, they were very wide....
12-02-21, 06:32 AM
Replies: 116
Views: 3,615
Posted By T-Mar

That is an very early 1890s Victor bicycle by the...

That is an very early 1890s Victor bicycle by the Overman Wheel Co. They were very popular in their day and extremely collectable to-day. Pneumatic tyres were the new technology and solid tyre...
11-30-21, 08:17 AM
Replies: 493
Views: 183,310
Posted By T-Mar

I believe that the reason you see more early...

I believe that the reason you see more early Stumpjumpers than Alpina Sports is due to the perception of the status of the two bicycles and not the volume sold. The general consumer considers the...
11-29-21, 09:09 AM
Replies: 11
Views: 304
Posted By T-Mar

That's fairly early for a Shogun. The derailleurs...

That's fairly early for a Shogun. The derailleurs are Shimano Altus LT which, if OEM, would place it 1979-1983. Shogun weren't marketed in the USA until the 1977 model year, which is late for...
11-28-21, 07:18 AM
Replies: 26
Views: 743
Posted By T-Mar

Serial Number: Sorry, the format isn't ringing...

Serial Number: Sorry, the format isn't ringing any bells for an Italian manufactured frame.

Frame Style; The more I look at this, the more I'm convinced it is a city bicycle and not an ATB or...
11-26-21, 12:43 PM
Replies: 10
Views: 474
Posted By T-Mar

I've been collecting Bridgestone serial numbers...

I've been collecting Bridgestone serial numbers for quite some time. I've seen a lot letters beyond L, besides M and X, probably around 18 different letters in total and about 8 beyond L. The first...
11-24-21, 08:37 AM
Replies: 24
Views: 373
Posted By T-Mar

Catalogue page, circa 1971: ...

Catalogue page, circa 1971:
https://cimg8.ibsrv.net/gimg/bikeforums.net-vbulletin/917x1177/mercier_catalog_1971b_3c05369bdc8d01ffddcd37bd9b923d986256ce71.png
11-24-21, 08:33 AM
Replies: 24
Views: 373
Posted By T-Mar

That appears to be a very early 1970s Mercier 100...

That appears to be a very early 1970s Mercier 100 (aka Rally Sport). Having the catalogue wouldn't help much, as specs during that era were typically not very detailed and very rarely mentioned...
11-22-21, 09:11 AM
Replies: 12
Views: 848
Posted By T-Mar

Assuming the tubing decal is correct, we know...

Assuming the tubing decal is correct, we know it's not Zeta or Aelle as these were plain gauge tubesets and the decal says "rinforzati " (i.e. butted). I don't think I've ever seen a Zeta tretubi...
Replies: 16
Views: 662
Posted By T-Mar

I don't think that either the bottle bosses or...

I don't think that either the bottle bosses or chain stay stop are OEM. They're farther forward on the tubes than manufacturers would typically place them. The cable stop in particular, is just far...
Replies: 37
Views: 992
Posted By T-Mar

Thank-you for posting the photo. Eurocar was the...

Thank-you for posting the photo. Eurocar was the one team that Gaggiolo was associated with, for which I could not determine the bicycle. That would make the frame 1988-1989.
Replies: 28
Views: 1,030
Posted By T-Mar

The rear derailleur alone should be worth $50.

The rear derailleur alone should be worth $50.
11-19-21, 10:30 AM
Replies: 18,217
Views: 2,093,343
Posted By T-Mar

https://cimg5.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg5.ibsrv.net/gimg/bikeforums.net-vbulletin/1500x1000/img_8453b_17b3771844401898ec2950dfee9bcc2785e28a25.jpg
11-18-21, 12:05 PM
Replies: 17
Views: 422
Posted By T-Mar

They go back farther than that. Shimano's AT...

They go back farther than that. Shimano's AT (Aternate Tooth) freewheels are in the 1972 catalogue and shown in 1971, Japanese market, advertisements. It wouldn't surprise me if they even pre-date...
11-17-21, 04:57 PM
Replies: 4
Views: 183
Posted By T-Mar

Both the cogs use the same thread and, according...

Both the cogs use the same thread and, according to the mid-1970s Maeda documentation, are interchangeable. The literature states that they were available in 14T - 18T. However, in practice, I've...
Replies: 28
Views: 1,030
Posted By T-Mar

My earlier statements on this bicycle have been...

My earlier statements on this bicycle have been confirmed by the additional photos that have been posted in the gallery album. The serial number indicates a Japanese manufactured model from April...
Replies: 28
Views: 1,030
Posted By T-Mar

My statements made in the OP's other thread on...

My statements made in the OP's other thread on this bicycle have been confirmed by the additional photos. The serial number indicates a Japanese manufactured model from April 1981. Consequently, it...
11-15-21, 10:44 AM
Replies: 493
Views: 183,310
Posted By T-Mar

Thank-you for posting. The Giant s/n format...

Thank-you for posting. The Giant s/n format didn't change in the early 1990s. That's late enough in the calendar year that I would suspect a 1991 model. Regardless, it's easy enough to distinguish...
11-15-21, 09:19 AM
Replies: 473
Views: 202,094
Posted By T-Mar

Yes, we have seen cases of common contract...

Yes, we have seen cases of common contract manufacturers for Sakai and Sekai but those contractors produced for several companies, not just Velocipede/Sekai and Bloor Cycle. Also, the Kent family...
11-15-21, 08:02 AM
Replies: 13
Views: 432
Posted By T-Mar

The photos are very poor but it appears to be...

The photos are very poor but it appears to be some relatively modern, entry level, city bicycle. The brazed-on seat post collar is typical of low end models, as are the rear brake cable stops on the...
Replies: 28
Views: 1,030
Posted By T-Mar

Lightness is largely comparitive to what you've...

Lightness is largely comparitive to what you've experienced with other bicycles. It may seem very light to you but this bicycle would probably be 3-4 lbs heavier than Bianchi's lightest model of the...
11-14-21, 08:24 AM
Replies: 2
Views: 127
Posted By T-Mar

This appears to be a Japanese manufactured model....

This appears to be a Japanese manufactured model. If it's not on the bottom shell, check the lower, non-drive side of the seat tube.
Replies: 28
Views: 1,030
Posted By T-Mar

That looks newer than 1977. I'd place it circa...

That looks newer than 1977. I'd place it circa 1981-1982. The serial number will tell us the exact year. It looks like a Japanese manufactured Bianchi Special. Front derailleur is SunTour AR. The...
11-11-21, 07:16 AM
Replies: 13
Views: 363
Posted By T-Mar

Looks like a 25" frame.

Looks like a 25" frame.
11-10-21, 07:46 AM
Replies: 36
Views: 974
Posted By T-Mar

Rear brake would have been one of the aero/delta...

Rear brake would have been one of the aero/delta brakesets. THe OP could use 600AX, Dura-Ace AX, Campagnolo Record Delta, Campagnolo Crocé d'Aune, Modolo Kronos or Weinmann Delta.
11-10-21, 07:35 AM
Replies: 15
Views: 605
Posted By T-Mar

While a previous owner may not have loosened the...

While a previous owner may not have loosened the seat post sufficently, the very heavy scoring suggests Raleigh did not ream/hone the seat tube and the LBS did not lubricate the post prior to...
11-10-21, 06:41 AM
Replies: 6
Views: 233
Posted By T-Mar

This one doesn't have the fastback seat lug with...

This one doesn't have the fastback seat lug with the binder bolt through the stays. That, in conjuction with the GPX and graphics, points to a 1990 model. The serial number will provide corrobration....
11-08-21, 08:49 PM
Replies: 6
Views: 231
Posted By T-Mar

Late February, 1989.

Late February, 1989.
11-08-21, 06:29 PM
Replies: 31
Views: 899
Posted By T-Mar

Thank-you for posting. This is first time that I...

Thank-you for posting. This is first time that I recall seeing the Bianchi S/N on the BB shell for this era and an Italian manufactured, high grade frame. It's also interesting that the order for...
11-08-21, 09:14 AM
Replies: 31
Views: 899
Posted By T-Mar

I apologize for the delay in replying but the...

I apologize for the delay in replying but the wife and myself took our first weekend trip out of our area in two years.

Bianchi serial number locations and formats will vary depending on the era...
11-03-21, 12:07 PM
Replies: 24
Views: 584
Posted By T-Mar

Yes, I'm aware that the Alan head lugs had a...

Yes, I'm aware that the Alan head lugs had a bevel on their front face, while the TVT were right angle. I didn't remember the exact lug style on Lemond's frame, just that they were separate lugs and...
11-03-21, 11:55 AM
Replies: 29
Views: 725
Posted By T-Mar

Give the era and level of the bicycle, I suspect...

Give the era and level of the bicycle, I suspect it is one of the seamed, CrMo tubesets. I can't tell if the decal says double, triple or quadruple butted. Ishiwata's seamed CrMo tubesets of this era...
11-03-21, 09:51 AM
Replies: 24
Views: 584
Posted By T-Mar

You're correct. I was recalling the two distinct...

You're correct. I was recalling the two distinct head lugs, as it's similar to Alan and unlike the one piece head tube with lugs as used on the Vitus frames. Thank-you for posting. :thumb:
11-02-21, 06:58 AM
Replies: 113
Views: 6,301
Posted By T-Mar

I'm wondering if the issue is Covid-19 related?...

I'm wondering if the issue is Covid-19 related? Over the past 1-1/2 years there have been a lot of supply issues with various products. Maybe the LBS has been having issues obtaining cables and/or...
11-01-21, 10:31 AM
Replies: 18
Views: 2,328
Posted By T-Mar

I missed this thread on the first go around. It's...

I missed this thread on the first go around. It's definitely not 1983, as it has the long dropouts, derailleur cable routing over the BB shell, no top tube brake cable tunnnels and it's designed for...
11-01-21, 10:15 AM
Replies: 8
Views: 396
Posted By T-Mar

That's not a 1977 frame. Based on the serial...

That's not a 1977 frame. Based on the serial number, it's March 1976. BTW, during this era Specialissima was the frame designation, referring to the Columbus SL/SP frame. The Specialissima framesets...
10-31-21, 08:01 PM
Replies: 64
Views: 6,013
Posted By T-Mar

The title didn't peak my interest. Thank-you for...

The title didn't peak my interest. Thank-you for bringing it to my attention.
10-31-21, 02:57 PM
Replies: 14
Views: 419
Posted By T-Mar

The seat tubes aren't just drilled and tapped for...

The seat tubes aren't just drilled and tapped for the bottle mounting holes. A typical SL seat tube has only 0.6mm wall thickness in that area, while a typical boss bolt uses and M5 x 0.8 thread....
10-31-21, 06:45 AM
Replies: 17
Views: 335
Posted By T-Mar

In the mid-1980s, Reynolds developed a ATB...

In the mid-1980s, Reynolds developed a ATB version of 531 with slightly thicker tubes, which they called 531 All Terrain. There were also All Terrain versions of 753, 653 and 501. In the very late...
Replies: 9
Views: 564
Posted By T-Mar

In the early 1980s, Matsuri offered an economy...

In the early 1980s, Matsuri offered an economy track model, the 910 "The Track". So, yes, it is a track bicycle, but it does have concessions for street riding, most notably the fork, which had...
10-30-21, 09:09 AM
Replies: 33
Views: 1,381
Posted By T-Mar

Larger diameter tubes have a greater section...

Larger diameter tubes have a greater section modulus, meaning that they will be stiffer for a given wall thickness than a smaller diameter tube. It's possible to design a frame with larger diameter...
10-30-21, 07:56 AM
Replies: 17
Views: 335
Posted By T-Mar

All the full range manufacturers were producing...

All the full range manufacturers were producing ATBs by the very late 1980s. If you didn't, there was a good probability that you wouldn't survive, as the market has shifted from road bicycles to...
Showing results 1 to 50 of 1000
 


 
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