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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 04-27-08, 11:12 AM   #1
Archer-ca
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Custom Downtube FS - It's ALIVE!!

After a long winter and months of staring at it I've finally finished my upgrades and customizing my FS. Some were for looks, others were for function.

I had to chage up rims and hubs when I went with disk brakes. I hand built the wheel set on my own, figuring out spokes lengths and the learning the technique of lacing off Sheldon Browns site.

The AVID Disk Brakes are AWESOME. Never had brakes that could lock up so easily with minimal fussing on setup.
Next was the bullhorn bars and brakes and shifters. I personally do not favor grip shifters so went back to Shimano XTR thumbshifters.

So far it seems to work ok with the stock JuJu M90 RD. The XTR Dual Shift/Brake combo is pretty trick.

Decided to go with some BMX slicks to round of the project.

Hope to put in plenty of miles on this one this summer. And just in time for our City's pending Transit Strike!!

Norman
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Old 04-27-08, 11:29 AM   #2
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Congratulations bike looks great and disc brakes are ideal. I don't normally like yellow (subjective of course) but your scheme and colour combo really is very appealing. Well done and best wishes using your bike after so much input! Proof of the versatility and upgradeability of the Downtube bike.
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Old 04-27-08, 03:49 PM   #3
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<------- drools

Thanks for sharing, its looks awesomely nice!
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Old 04-27-08, 03:57 PM   #4
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The XTR shifter thing is slick. What is the diameter of a bull horn bar by the ends? Is it the same size as a MTB flat bar?
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Old 04-27-08, 06:59 PM   #5
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That is sweet.
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Old 04-27-08, 06:59 PM   #6
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Awesome.. Considering a Downtube for my second folder.
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Old 04-27-08, 07:37 PM   #7
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Mmm blue anodising...
Sweet ride - you must keep just sitting looking at it...!
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Old 04-27-08, 08:10 PM   #8
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Great job! You've turned the humble Downtube FS into a super blingy glamor bike!
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Old 04-27-08, 08:49 PM   #9
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Hey All!

Thanks for the kind words! I may not be totally finished as of yet. I know, I may have already gone overboard customizing this ride but it's my nature to change and tweak things to make it my own. I'll be looking into a larger crank and chainring set and a rear shock with adjustable dampening.

invisiblehand - the bullhorn handlebars I got are just a tad bigger than regular MTB bars. Belief me, I wrestled each brake levers to get them on. But after some sanding down on both the bar and clamps on the brake levers I got them in. This part of the upgrade held me back the longest.

LittlePixel - Naw, gotta ride! No time to sit no more. I'm hoping to get myself up to shape to take on the 75km Annual "Ride for Heart" charity this year. Also to ride the 8km to work everyday. ..and it's mostly uphill *GASP*

SesameCrunch - Yes, the Downtube is already a very cool looking riding machine. At a great price to start with most anyone can add their own custom bits' and bobs'.

Cheers Everyone!!

Norman
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Old 04-27-08, 08:51 PM   #10
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i really like the disc brakes. how much did you spend on all the upgrades?
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Old 04-27-08, 08:52 PM   #11
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removing the DOWNTUBE badges is a nice touch also.
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Old 04-27-08, 09:18 PM   #12
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Mmm disc brakes - I would be very keen on those...

I hear you about the long winter and "months of staring"...
but I'm only just beginning my own upgrade project

Well done! Very sharp looking bike!
I'll keep an eye out for you on our lovely cratered roads.

I will see you at the 75K ride for sure!... except I'll probably try to push 100 or more again. (You just go round again. It's like the carousel... no one makes you get off! Until like noon or something...)

Last edited by 4cmd3; 04-27-08 at 09:25 PM.
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Old 04-27-08, 09:32 PM   #13
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I'm affraid this post is not good to my right hand. I just keep scrolling up and down. Non-stop. And again...

Amazing picture. If you ever go to hawaii, a picture of this bike next to that highly modified downtube we had here a while back could be the cover of a high end bicycles magazine.

Congratulations on your creation!

14R (still wondering about a Brooks saddle)
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Old 04-27-08, 10:10 PM   #14
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That is mad cable routing...
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Old 04-27-08, 11:44 PM   #15
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That's a damn impressive bike. How do the bullhorns affect the fold?
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Old 04-28-08, 07:17 AM   #16
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Thank you for the compliments, folks!

mbnz230 - How much was all the upgrades? More than enuff to get another Downtube FS for sure. The wheels set alone would cover it. As far as "de-badging" the bike it's nice and clean, giving it a more custom look me thinks.

4cmd3 - Yes, if you see me at the ride do come by and say Hi. I may be in need of a tow at the 20km mark... LOL! Cable -wise it is maddening!! Not sure if it's the best configure but it's out of the way (or should I say 'way out') Have to tuck the rear derailer cable each time I unfold the bike. That's the one doing a dippity-doo under the folding hinge.

14R - Another custom Downtube? Ooooooo! Any pics of it? I'd like to see what the other person did.

x136 - Luckily the bullhorns do not affect the fold at all. Imagine my rage after killing myself to wrestle the brake levers on??? LOL! I did adjust the angle of the folding handlebars earlier so that the bars would tuck in a little tighter. Also I find the wheels do not sit parallel to each other so it's a bit of a challenge to roll folded. I'm sure I can readjust it tho'.

Darn, and it's raining today....

Cheers!!

Norman
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Old 04-28-08, 07:26 AM   #17
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A very nice bike .Do I detect a bell?You might be able to keep up on early morning club rides with that( with the scorchers)Oh one last thing appropriate fenders are available from Gaerlan custom bikes and Bike friday for dealing with April showers.
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Old 04-29-08, 08:31 AM   #18
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Nice ride Arch!... I'll yell out at ya, if I see you in Toronto. BTW, damn those discs look mean.
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Old 04-29-08, 08:56 AM   #19
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James H Haury - Sharp eyes there James. Yes that's a bell mounted on the inside of the rear brake lever. Perfect reach with my thumb. I've been working on making my own fenders......FROM CARBON FIBER!! Just gotta find the materials and time. Thinking of really close, wheel hugging fenders.

psykoocycle - Yeah, I like the "Radial Saw" design. Pretty cool. Hmmm, maybe if I sharpen the edges.....
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Old 04-29-08, 09:37 AM   #20
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Quote:
Originally Posted by Archer-ca View Post
James H Haury - Sharp eyes there James. Yes that's a bell mounted on the inside of the rear brake lever. Perfect reach with my thumb. I've been working on making my own fenders......FROM CARBON FIBER!! Just gotta find the materials and time. Thinking of really close, wheel hugging fenders.

psykoocycle - Yeah, I like the "Radial Saw" design. Pretty cool. Hmmm, maybe if I sharpen the edges.....
I thought that it was against the law to have a bell on a bike with carbon fiber ...
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Old 04-29-08, 10:16 AM   #21
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I thought that it was against the law to have a bell on a bike with carbon fiber ...
Nah, that's only for the Roadie Forum - OCP Division .
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Old 04-29-08, 02:18 PM   #22
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to the OP, u live in toronto, do you see a lot of folders around?

btw, that is a heck of a bike, I must see this in real life sometime.
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Old 04-29-08, 02:34 PM   #23
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trueno92 - Haven't really noticed a whole lot of neat folders. But I haven't been hitting the bike trails yet.

invisiblehand - Ring-a-Ding! "Don't be hating" on bells and yellow shorts
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Old 04-29-08, 03:07 PM   #24
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Old 04-30-08, 08:58 AM   #25
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I live in Toronto and I see quite a number of folders, both 16" and 20"

- saw one going up Mount Pleasant (kudos but are you insane! - the part between St. Clair and Bloor)
- many many going along the Lakeshore path out to the Beaches
- folding bike out in Liberty Village area
- folding bikes downtown at like King between say Duncan and University
- folding bikes on the lakefront park/paths to the west along the lake towards Palace Pier/Humber
- a Jetstream going under Gardiner south of the Dome

Honestly I see a lot of Avenir, which make me go "Meh" but I get a special glow when I see another true Dahon. I have never seen anyone with a Speed Pro that I recall... and only once have I see a fellow Dahon Helios rider. He smoked me. But this time I am ready...

I have also seen Raleigh 20's... I guess they never die...
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