#41
|
|||
|
|||
Bicycle Mags
On Tue, 11 Apr 2017 17:14:19 -0400, Frank Krygowski
wrote: Back in the mid-80s I heard of a guy who gave talks on gearing at national bike rallies. He said he was part of the "Low Gear Fellowship." He advocated super low gears for anyone who might be able to use them. There is a local guy who tours a lot (preferring mountainous territory) and his *top* gear is about 65". I think he's got about a 36 x 22 up front or something like that. |
Ads |
#42
|
|||
|
|||
Bicycle Mags
On Tue, 11 Apr 2017 16:30:23 -0500, AMuzi wrote:
A reasonably informative thumbnail history he https://janheine.wordpress.com/2011/...uminum-cranks/ Glaringly absent any mention of TA Cyclotouriste. Odd, given that he published a really well done historical piece on TA cranks in his magazine a few years back. One of the best things he's published. |
#44
|
|||
|
|||
Bicycle Mags
On Tuesday, April 11, 2017 at 1:50:31 PM UTC-7, AMuzi wrote:
On 4/11/2017 3:01 PM, Sir Ridesalot wrote: On Tuesday, April 11, 2017 at 3:55:01 PM UTC-4, wrote: On Tuesday, April 11, 2017 at 12:49:59 PM UTC-7, Sir Ridesalot wrote: On Tuesday, April 11, 2017 at 3:26:43 PM UTC-4, AMuzi wrote: On 4/11/2017 2:06 PM, Doug Landau wrote: I remember Bicycling articles in the 1980s saying that 15 gears were NOT needed on a touring bike and also articles about improving the bicycle but the item in the article had THREE wheels and thuse was a tricycle not a bicycle. LOL given the way they chose the small rings in those days, having the triple didn't help much anyway https://sfbay.craigslist.org/sfc/bik/6060212592.html Not an extreme case though. That's a 110mm Sugino forged crank with a 34 (or 36? can't see) inner, the original from which today's modern compacts are derived. At the time I'm referring to (early to mid 1980s)cranksets with 28-38-48 teeth were common. You could even pull the 28 and replace it with a 26 or even a 24. But low gears on the freewheel was often a 25 or in extreme cases a 27.. Deore in 1983 had a 34 cog on the freewheel. Pre-index could be used with road shifters. Wide range rear changers go back much farther: http://velobase.com/ViewComponent.as...0-cbe625d24739 A piece way ahead of its time was the 1972 Shimano Crane: http://www.acefest.com/moviestore/19...736220538.html Those were good derailleurs, and I liked the SunTour Cyclone I got in '75. In '80, I bought a Campy Rally for my super-swanky all Campy touring bike with custom cranks (a drilled NR for a triple). It was the worst derailleur ever. It was three times the price of the SunTour and shifted half as well. BUT, I had an all Campy custom-made touring bike . . . . that got stolen seven years later. Wah. Someone is probably enjoying it to this day in Juarez. I haven't seen it around here. -- Jay Beattie. |
#45
|
|||
|
|||
Bicycle Mags
On Tuesday, April 11, 2017 at 1:27:29 PM UTC-7, Sir Ridesalot wrote:
Before Deore XT there was a Deore ROAD TOURING groupset. In my previous post I mentioned the Deore freewheel with 34 teeth on it. Even in 1983 the Shimano New 600 long cage rear derailler RD-6207 GS could handle 34 teeth. And the 600 was a road groupset. Becausethe shifters were usually friction (or index with a friction mode) you could use a MTB derailler with road shifters. Here is a picture of a 1983 Deore rear derailleur. http://www.velobase.com/ViewGroup.as...d-bd51434aaaee This would not shift a 34 cog except it you had an "old fashion" touring frame with a REALLY long mount. If you look above that derailleur you can see that mount sticking way down. |
#46
|
|||
|
|||
Bicycle Mags
On Tuesday, April 11, 2017 at 1:50:31 PM UTC-7, AMuzi wrote:
On 4/11/2017 3:01 PM, Sir Ridesalot wrote: On Tuesday, April 11, 2017 at 3:55:01 PM UTC-4, wrote: On Tuesday, April 11, 2017 at 12:49:59 PM UTC-7, Sir Ridesalot wrote: On Tuesday, April 11, 2017 at 3:26:43 PM UTC-4, AMuzi wrote: On 4/11/2017 2:06 PM, Doug Landau wrote: I remember Bicycling articles in the 1980s saying that 15 gears were NOT needed on a touring bike and also articles about improving the bicycle but the item in the article had THREE wheels and thuse was a tricycle not a bicycle. LOL given the way they chose the small rings in those days, having the triple didn't help much anyway https://sfbay.craigslist.org/sfc/bik/6060212592.html Not an extreme case though. That's a 110mm Sugino forged crank with a 34 (or 36? can't see) inner, the original from which today's modern compacts are derived. At the time I'm referring to (early to mid 1980s)cranksets with 28-38-48 teeth were common. You could even pull the 28 and replace it with a 26 or even a 24. But low gears on the freewheel was often a 25 or in extreme cases a 27.. Deore in 1983 had a 34 cog on the freewheel. Pre-index could be used with road shifters. Wide range rear changers go back much farther: http://velobase.com/ViewComponent.as...0-cbe625d24739 A piece way ahead of its time was the 1972 Shimano Crane: http://www.acefest.com/moviestore/19...736220538.html -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 My memory of that Huret is that it would jump down unless you had down tube shifters with the friction set so high that you couldn't possibly use bar end shifters. And you had to develop the habit of always checking the shifter because it was always walking down. And that Shimano Crane had that add-on rear derailleur bar like the Deore. If memory serves they have exactly the opposite problem of the Huret and would shift with almost no pressure. They were famous for breaking off the mount which is why no one used them. If you remember the long mount could rotate and if the idle pulley touched the freewheel the entire thing would lock up and usually bend the pulley arms. From the condition of that one it appears to have never been used. I still remember those early touring bikes with a 34 or 35 little ring and a 25 freewheel. I put in enough miles on them going down to the Great Western Bicycle Rally. I still have my camping gear. But I sure as hell can't remember how I carried it. I had low riders on the front, a bike bag above it and saddle bags and the tent and sleeping bag on top of the rack. The problem was that it was so tall in the back that you couldn't swing a leg over it so you had to step over the top tube. |
#47
|
|||
|
|||
Bicycle Mags
On 4/11/2017 8:45 PM, wrote:
On Tuesday, April 11, 2017 at 1:27:29 PM UTC-7, Sir Ridesalot wrote: Before Deore XT there was a Deore ROAD TOURING groupset. In my previous post I mentioned the Deore freewheel with 34 teeth on it. Even in 1983 the Shimano New 600 long cage rear derailler RD-6207 GS could handle 34 teeth. And the 600 was a road groupset. Becausethe shifters were usually friction (or index with a friction mode) you could use a MTB derailler with road shifters. Here is a picture of a 1983 Deore rear derailleur. http://www.velobase.com/ViewGroup.as...d-bd51434aaaee This would not shift a 34 cog except it you had an "old fashion" touring frame with a REALLY long mount. If you look above that derailleur you can see that mount sticking way down. Shimano produced them after 1972 in SS (short) and GS (long) versions. -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 |
Thread Tools | |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
Cycling Plus mags for disposal. | Paulmouk | UK | 0 | April 8th 07 09:30 PM |
Cycling mags - what went wrong? | Callistus Valerius | Techniques | 58 | September 5th 06 03:17 PM |
Cycling mags - what went wrong? | Chris Z The Wheelman | Techniques | 2 | August 22nd 06 11:06 PM |
Mountain Biking Mags | Todd Lerfondler | Mountain Biking | 10 | April 11th 06 11:48 PM |
Mags for MTBs, $900.00, geeze | LIBERATOR | Mountain Biking | 5 | March 31st 06 06:53 AM |