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Old 07-01-10, 01:30 PM   #1
dersan
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upgrading dohans

Hi i will buy a dahon speed tr next week.MY question is can this frame accept normal shimano or sram companents.For example can i change my drive system to full deore system?Can i change its v brakes to shimano deores or something else?
I mean can i upgrade it like a normal bike?
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Old 07-01-10, 01:53 PM   #2
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Why bother?...the Speed TR comes with a Dual Drive setup that's ideal for a folder and gives you a wide gear range. The Speed TR is also a fairly expensive folder at over $1K here in Canada...if you want to upgrade everything why not buy something less expensive or buy something that has the parts you want to end up with?
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Old 07-01-10, 02:14 PM   #3
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cause there is only 1 dahon left and its a speed tr and its 1200 eros hell of a money
i asked it cause i dont want to upgrade it immediately,i will travel to iran and syria ifsomething happens to my hubs or other companents can i change it with regular ones?
The seller told me that they are going to order mu p8 next mouth i can wait for that bike too its half the price bye the way.
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Old 07-01-10, 03:09 PM   #4
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Dual drive is sort of normal, a normal Sachs/SRAM 3 speed plus a Normal cassette
and a cassette driver, made to do that .
combines the 2
Though as a wide hub dropout at 135 you could retrofit a Rohloff hub in it, and drop the derailleur entirely ,
unless you need it for chain tensioner , their Chain thing is like Rear derailleur , just doesn't move sideways.
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Old 07-02-10, 12:50 AM   #5
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All the Dahon bits you mention are removable. Deore is not a particularly high spec - targeted for trekking and mid-priced bikes, it's now obsolete. Also the Deore V-brakes are 100 grams heavier than the stock brakes on the low price Dahons, and perform no better. They are handsome though and I have them on my bike.

The Speed TR has Kinetix brakes. I haven't tried them. The Dual-drive is an expensive and versatile system. You'll save weight by 'upgrading' to a cassette only system, but loose some versatility, and reduce the excellent and large gear range of the bike if you remove it. There's not much to 'upgrade' on a Speed TR drivetrain.
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Old 07-02-10, 06:18 AM   #6
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today i searched all the lbs around the city.And i have found a mu p8 only 1 left and isaw the speed tr.Dealer told me you can upgrade mu p8 with better gearing for touring and you can put racks frot and back.So you will have a speed tr like touringbike with less money.Should i buy p8 instead of speed tr.IS the handling same when fully loaded?Dealer did not let me drive it.I am soo confused
And sorry for my poor english
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Old 07-02-10, 08:44 AM   #7
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I dont know where you are located or if it would be worth shipping it but Thor has a new 2009 TR for $649 http://www.thorusa.com/dahon/2009/speedtr.htm
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Old 07-02-10, 08:49 AM   #8
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Customizing from Gaerlan on the MU P8 http://www.gaerlan.com/bikes/customd/customd.htm
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Old 07-02-10, 08:59 AM   #9
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Quote:
Originally Posted by dersan View Post
today i searched all the lbs around the city.And i have found a mu p8 only 1 left and isaw the speed tr.Dealer told me you can upgrade mu p8 with better gearing for touring and you can put racks frot and back.So you will have a speed tr like touringbike with less money.Should i buy p8 instead of speed tr.IS the handling same when fully loaded?Dealer did not let me drive it.I am soo confused
And sorry for my poor english


The Speed TR is setup for touring and is the only Dahon that I've tried that actually fits me. I'd careful buying something else and hoping to upgrade it...it might work, but if you are buying from a dealer make sure they stand behind what they are saying in case it doesn't.

I'm not up on the Mu P8, but just looking at the spec online I can't see how you'll get a Speed TR out of it without a lot of upgrades....the Speed TR has the following parts that the Mu P8 doesn't:

- dual drive [24 speeds] ideal for touring on a folder
- Schwalbe Big Apple tires [comfy and decent rolling resistance]
- upgraded bars and grips for bigger cockpit [may or may not matter depending on your height....for me these are essential]
- front and rear racks
- dynamo front hub and dynamo headlight for 24hrs a day light without fuss

I can't see how you add all this to a MU P8 and save any $$$.

I'm not 100% sure the frames are the same between the Speed TR and Mu P8...they may be, but it's worth at least comparing the bikes side by side. I have to say the fact the dealer won't let you test drive makes me suspicious.

Personally if you want a touring bike I'd get the Speed TR and ride it the way it is for a season before you upgrade anything major. It seems like a good choice.
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Old 07-02-10, 09:07 AM   #10
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you are wright.I think i should buy the tr it also looks more prof bike.Bye the way in 2010 models as i read from dahons website there is a reecharge unit on the tr model.I asked this to my dealer he old me he never seen that gadget i asked maybe its in the box can you inside the box he told me he throwed away the box probably he sold it to someone else.On man ohh i hate this thiefs
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Old 07-02-10, 11:59 PM   #11
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I did get 2008 TR from Thor about few weeks ago and been thoroughly enjoying it. I am still not sure if I like the dyno at all on front hub. However, the dual drive and handle just makes me grin every time I ride it (which is everyday). Just about everything is perfect on this bike for what I've been looking at sans few things.

1) Brake cable wiring in front is a bit messy. It extends out bit much I think.
2) 2010 style rear rack and front rack would be much better than 2008 for practicality and clearance issues.
3) Dyno... isn't as smooth as I would have thought... probably will end up getting new wheel to replace it.

For the price it is on Thor, nothing can touch it is my sentiment though. (short of non-folding bikes) Only thing I would probably be looking in folder side other than this would be maybe tikit. And Only drive train that I would replace might be Rohloff... which is twice the cost of whole bike!
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Old 07-03-10, 12:24 PM   #12
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today i bought the 2010 speed tr.I also have 3 bikes tarmac,allez and scott hybrid p5.
the bike handles like big bikes,also its fast not fast as tarmac but its equel with the p5 which has 700c wheels.
The pedals are very bad maybe its because i am used to spd pedals.I will definetly upgrade my pedals on monday.
The dyno makes the wheel slow but its cool to have it later i will buy the reecharge gadget soo i can charge my iphone.
You change the angle of the bars i am used to road bike vars soo i get the lowest possible
Everybody is looking me
and bye the way i have seen a girl running with the dahon in her hand to the metro in the brochure of the bike.Let me say it straight its bull**** this bike is 15kg and i am 80 kg and well muscled indeed i am a bodybuilder and i can not run with this thing in my hand hehehe that girl i think have a carbon dahon
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Old 07-03-10, 02:14 PM   #13
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Congrats, have fun with it and now it is mandatory to post pictures of the new TR.
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Old 07-03-10, 07:55 PM   #14
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Good choice...
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