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Folding Bikes Discuss the unique features and issues of folding bikes. Also a great place to learn what folding bike will work best for your needs.

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Old 10-31-13, 02:37 PM   #176
smallwheeler
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custom titanium separable mini velo from Wade Beauchamp and Vulture cycles. very clever incorporation of a single S&S coupler on the downtube. gorgeous machine:

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Old 10-31-13, 05:18 PM   #177
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Just had a look at the Vulture flickr site, there are truly gorgeous TIG welds.
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Old 10-31-13, 07:26 PM   #178
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Very nice.
The single S&S coupling is a great idea - far stronger than the small lip and single clamp ring used on the Ritchey Breakaway bikes, which also use a seatpost clamp to hold the top together.
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Old 10-31-13, 09:13 PM   #179
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I've really enjoyed this thread. I'm going to throw this one in the mix for good measure. However, I still think the first one you posted was my favorite of these. Although, the Vulture is also jaw-dropping.

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Old 11-01-13, 10:58 AM   #180
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rob english's beautiful packable bent (check out all the gorgeous machines he has built. really stunning stuff):


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Old 11-01-13, 12:43 PM   #181
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rob english's beautiful packable bent (check out all the gorgeous machines he has built. really stunning stuff):
Very nice! (Where do you keep finding these!!)

I clicked on the link provided and didn't find any more info about this bike.

Note that it has two rear derailleurs and two cassettes. It looks like that's used so the stoker and captain don't have to agree on a gear (although I want more pictures/descriptions!!!).
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Old 11-01-13, 12:58 PM   #182
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Very nice! (Where do you keep finding these!!)

I clicked on the link provided and didn't find any more info about this bike.

Note that it has two rear derailleurs and two cassettes. It looks like that's used so the stoker and captain don't have to agree on a gear (although I want more pictures/descriptions!!!).
http://www.englishcycles.com/customb...dem-recumbent/

also, check these out:

http://www.englishcycles.com/customb...umbent-tandem/

http://www.englishcycles.com/customb...d-recumbent-2/

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Old 11-01-13, 01:03 PM   #183
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Thanks!

By the way, I was wrong. The two cassettes aren't so stoker/captain have different gearing, but rather the bike has 54 (as in fifty four) gears!!

Definitely some outside-the-box thinking here.
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Old 11-10-13, 04:03 PM   #184
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absolutely stunning rodriguez "6 pack" separable travel bike featuring 6 S and S couplers will pack into a case (20"x20") no wider than the wheels. primo custom travel bike. wow. much want:









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Old 11-11-13, 04:25 AM   #185
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Hi all, i'm new here and in folder world (at least after i bought my Dahon and became crazy addictive with this little stuff..)
This is a great thread ever i read, really love this.. here, i found this today while browsing :










Called as Fuji 1960 Telescopic, really love the detail and its rare fold method...
Attached Images
File Type: jpg Fuji1.jpg (96.2 KB, 49 views)
File Type: jpg Fuji2.jpg (98.0 KB, 32 views)
File Type: jpg Fuji3.jpg (94.3 KB, 34 views)
File Type: jpg Fuji4.jpg (84.4 KB, 477 views)
File Type: jpg Fuji5.jpg (96.6 KB, 34 views)
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Old 11-11-13, 08:44 PM   #186
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My precious?

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absolutely stunning rodriguez "6 pack" separable travel bike featuring 6 S and S couplers will pack into a case (20"x20") no wider than the wheels. primo custom travel bike. wow. much want:







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Old 11-11-13, 11:11 PM   #187
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My precious?
indeed. perhaps too precious?
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Old 11-11-13, 11:16 PM   #188
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here, i found this today while browsing :



this is so nice. and definitely a refinement of it's predecessors like the porta-silk and the road puppy. a beautiful bike. i've never seen one before. where did you find it? i would love to know more about it.
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Old 11-14-13, 04:10 PM   #189
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Got my 2-speed automatix build from respect cycles yesterday. I had read some forum posts from Bruce over the last year and got increasingly interested in this hub.

The bike is awesome. It has a 44:18 direct drive and increases by 137%, essentially making it like a 44:13. I had spoken to the company over email and they were nice enough to swap out white saddle and white grip tape on my all black urban velo with the 2-speed SRAM Automatix. They also threw in extra tubes... great because 20" long stem presta tubes can be hard to locate!

Using a 10% off coupon code they emailed me, came in under 480 free shipping. man its fast!
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Old 11-14-13, 05:15 PM   #190
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Got my 2-speed automatix build from respect cycles yesterday. I had read some forum posts from Bruce over the last year and got increasingly interested in this hub.

The bike is awesome. It has a 44:18 direct drive and increases by 137%, essentially making it like a 44:13. I had spoken to the company over email and they were nice enough to swap out white saddle and white grip tape on my all black urban velo with the 2-speed SRAM Automatix. They also threw in extra tubes... great because 20" long stem presta tubes can be hard to locate!

Using a 10% off coupon code they emailed me, came in under 480 free shipping. man its fast!
Nice choices!! Excellent price for a bike with that hub installed already tuned .. when you're ready, spring for a an inexpensive 16t and try that, you'll like the speed increase .. btw, what tires are on your bike?
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Old 11-14-13, 06:44 PM   #191
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That caliper makes me all tingly in the no-no parts.
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Old 11-14-13, 11:05 PM   #192
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Nice choices!! Excellent price for a bike with that hub installed already tuned .. when you're ready, spring for a an inexpensive 16t and try that, you'll like the speed increase .. btw, what tires are on your bike?
1.35" up to 100psi. rides smooth, a 16t might be too fast . Thanks for providing so much info about the hub on the web.
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Old 11-15-13, 01:20 PM   #193
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Nice choices!! Excellent price for a bike with that hub installed already tuned .. when you're ready, spring for a an inexpensive 16t and try that, you'll like the speed increase .. btw, what tires are on your bike?
the white industries double freewheel would be awesome for this build.

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Old 11-20-13, 12:14 PM   #194
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bridgestone picnica redesigned:

within a somewhat narrow context, this is one of the more amazing bikes i've seen. the maker at rat engineering saw the inherent quality in this design and fabricated what is effectively a "picnica 5.0" from scratch. minimally redesigned, the U channel headtube brace is replaced by a elegant tube. the bulky and heavy cast alloy bottom bracket/lug is also gone. a very cool cantilevered stem (he did have an alternate version with internal cable routing). a lefty front fork. the original spring-loaded collapsing seatstay is redesigned and incorporates a quick release. the weighty hi-ten steel is replaced by cromo. and amazingly he fabricated his own rear caliper brake. although he never mentions the final weight of the new bike, i would hazard a guess at around 8-9kg for the final build. gorgeous. if this ever went into production, i would certainly buy one.


















Last edited by smallwheeler; 11-20-13 at 12:21 PM.
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Old 11-20-13, 12:52 PM   #195
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The "picnica 5.0" definitely looks interesting, but I wonder why they don't show any pictures of it "folded"?
John
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Old 11-20-13, 01:19 PM   #196
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The "picnica 5.0" definitely looks interesting, but I wonder why they don't show any pictures of it "folded"?
John
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Old 11-20-13, 01:27 PM   #197
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here is the alternate stem with internal cable routing mentioned above:

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Old 11-20-13, 02:00 PM   #198
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in it's folded position, the front wheel and stem assembly of the picnica flops to one side and makes handling awkward. also, there is no clip or locking mechanism to hold the fold together. a possible solution would be a folding handlebar that would capture the frame tubes and hold the front wheel upright and prevent pivoting. it would have the added benefit of enabling a more narrow and compact profile. some type of clasp or strap would thread through the back wheel and hold the fold tightly together.









or something like this:


interestingly, the problem wasn't ignored by bridgestone, in fact, they did produce something similar to the above in one iteration of the picnica (the DX i think). the twiddly knob releases the handlebars and pivots on the stem:


Last edited by smallwheeler; 11-20-13 at 02:35 PM.
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Old 11-21-13, 02:30 PM   #199
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the case

this is so nice. and definitely a refinement of it's predecessors like the porta-silk and the road puppy. a beautiful bike. i've never seen one before. where did you find it? i would love to know more about it.
This looks like it's a retractarble maintube fold like the gitex. The gietex should had a square maintube to keep torsonial flex to minimum, looks like this model got this aspect of the design correct if this is the case.
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Old 11-21-13, 03:16 PM   #200
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This looks like it's a retractarble maintube fold like the gitex. The gietex should had a square maintube to keep torsonial flex to minimum, looks like this model got this aspect of the design correct if this is the case.
you're right, bhyke. that's exactly how it functions. even better than a simple square tube, this bike has a center cut-out or channel to maintain perfect registration. would love to get my hands on one of these. i can't find anything about this bike.

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