Coming to a Paved (or not) Surface this April
#1
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Coming to a Paved (or not) Surface this April
I feel like being a bit of a tease this morning. My 2,000 words on the subject.
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#2
Freewheel Medic
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Zorro, how do you plan to mount a nine speed cassette to an old Brampton (Sturmey Archer copy) IGA? Your 81 speed intrigues me! As some might remember I have an 81 speed Cannondale which is built around a SRAM Dual Drive IGH. Also during the past month I've turned my Dahon Folder into a 54 speed travel bike with another Dual Drive build.
Stop teasing and start revealing!
Stop teasing and start revealing!
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Bob
Enjoying the GA coast all year long!
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Bob
Enjoying the GA coast all year long!
Thanks for visiting my website: www.freewheelspa.com
#3
Mr. Anachronism
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Interesting tease. A Super Course with a triple crank and S-A? Looks like the 15-tooth cog would make it my ideal range. EDIT: Looks like Pastor Bob has it figured out, if a 9-speed could be cobbled to the Sturmey!
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#4
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Zorro, how do you plan to mount a nine speed cassette to an old Brampton (Sturmey Archer copy) IGA? Your 81 speed intrigues me! As some might remember I have an 81 speed Cannondale which is built around a SRAM Dual Drive IGH. Also during the past month I've turned my Dahon Folder into a 54 speed travel bike with another Dual Drive build.
Stop teasing and start revealing!
Stop teasing and start revealing!
Dang. 3,000 words.
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In search of what to search for.
Likes For USAZorro:
#7
Freewheel Medic
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Ah hah! A SA cassette hub. Maybe one day we can challenge each other to a stump pulling contest with our lowest of low gears. Looks like my low-low-low has your beat by over 13 gear inches!
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Bob
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Bob
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#8
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Is that the bike you ride up and down Mt. Washington?
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#15
Mr. Anachronism
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I'll admit I've never heard of a dual drive before. That just opens all kinds of bahstudized possibilities!!!
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#16
Freewheel Medic
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I really don't want to derail Zorro's thread. However, SRAM Dual Drives have been around for at least 25+ years. The prior company Sachs, made a 7 speed version by the mid '90s and with SRAM there have been 8 and 9 speed cassette versions. My Cannondale MTB framed "Comfort" bike came equipped with a 1X9X3 Dual Drive in 2003. I converted it to a 3X9X3 system about 6-7 years ago.
This winter I've been working on upgrades to my Dahon folding travel bike (yes, it fits in a suitcase and flys for free on Southwest!). I stumbled upon a 20" (406mm) Dual Drive wheel on ebay and I couldn't resist. I ended up finding a matching rim Biologic Joule II dynamo hub with the same rim for a matching wheelset. It is a 2X9X3 system. The set up is not quite perfected yet, so the final is yet to be seen and will not be as pictured below. I'm planning on a test ride in the church fellowship hall soon and will post a thread in the Folding Bike Forum.
This winter I've been working on upgrades to my Dahon folding travel bike (yes, it fits in a suitcase and flys for free on Southwest!). I stumbled upon a 20" (406mm) Dual Drive wheel on ebay and I couldn't resist. I ended up finding a matching rim Biologic Joule II dynamo hub with the same rim for a matching wheelset. It is a 2X9X3 system. The set up is not quite perfected yet, so the final is yet to be seen and will not be as pictured below. I'm planning on a test ride in the church fellowship hall soon and will post a thread in the Folding Bike Forum.
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Bob
Enjoying the GA coast all year long!
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Bob
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Thanks for visiting my website: www.freewheelspa.com
#17
I never finish anyth
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Well, there's a reason if I ever saw one for joining us at the Bourbon and Tobacco Tour. Can't wait to see it. And watch you ride it.
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#19
aka Tom Reingold
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Are there practical reasons for using two derailleurs and an IGH? The way I look at it, you have the worst of both worlds when you combine them. The only plus is that you can impress your friends.
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Tom Reingold, tom@noglider.com
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“When man invented the bicycle he reached the peak of his attainments.” — Elizabeth West, US author
Please email me rather than PM'ing me. Thanks.
#20
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Practical? You're asking a guy who's setting up a bike with 81 gear combinations (77 unique) about practicality? I may want to ride Lake Pepin one of these years.
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#21
Freewheel Medic
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In the case of my current project, the Dahon folding bike, it was a matter of two things:
First, I had previously installed the double crankset (Shimano 105) to replace the el-cheapo single that came with the bike. When I did so I replaced the original wide range 7 speed freewheel with a tight ratio Sachs Aris 8 speed (12-24). This provided me with great range for most of my riding which is beach and coastal when I travel. But the rear wheel was cheap and recently I broke a spoke, and the axle bent. So I was on the hunt for replacement wheels.
Second, I figured if I was upgrading the wheels, maybe I should also widen the range and achieve a lower gear for when I'd need one. When I spotted the Dual Drive 20" wheel (for what I felt was the very good price of $75), I realized my challenge was solved. I could have tight gearing for the flat riding, yet still achieve a decent low when I needed one.
In case of the Cannondale, I was just going for extremes!
One of these days, after retirement, I hope to go on a long unsupported bike trip through Quebec, Labrador, Newfoundland, PEI, Nova Scotian, New Brunswick and Maine. Basically a big 3000+ mile circle from my home in NH and back again. I figure I'll need to pull a trailer with my gear. A huge percent of the roads are unpaved and there are some really steep, long, and gravel climbs way up north where the caribou and icebergs roam. My C-Dale should be up for the job.
I fully support @USAZorro in his quest to build an 81 speed road bike. More power to him and all the tinkerers out there who turn dreams into realities!
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Bob
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Bob
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Thanks for visiting my website: www.freewheelspa.com
#23
Freewheel Medic
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Isn't it actually Tuesday? If it is actually Monday--- boy did I make progress on writing Sunday's sermon already!
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Bob
Enjoying the GA coast all year long!
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Bob
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Thanks for visiting my website: www.freewheelspa.com
#24
aka Tom Reingold
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First you confirm it's not practical, and then @pastorbobnlnh shows that it can be. Well, whatever. It's fun, that's for sure.
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Please email me rather than PM'ing me. Thanks.
Tom Reingold, tom@noglider.com
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“When man invented the bicycle he reached the peak of his attainments.” — Elizabeth West, US author
Please email me rather than PM'ing me. Thanks.
#25
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First you confirm it's not practical, and then @pastorbobnlnh shows that it can be.
Well, whatever. It's fun, that's for sure.
Well, whatever. It's fun, that's for sure.
It's a jello quagmire. Yep, C&V. Fun, it's about.