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Dahon GB-1 folding gravel bike (650B/27.5")

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Dahon GB-1 folding gravel bike (650B/27.5")

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Old 04-10-18, 03:04 PM
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rec
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Dahon GB-1 folding gravel bike (650B/27.5")

Drop bars, disc brakes, full size wheels, not bad!


Going to be announced at Sea Otter, available Fall.
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Old 04-10-18, 05:02 PM
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Old 04-11-18, 12:55 PM
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Good find; that thing is pretty cool. I love fat tires and disc brakes. I'm curious if the geometry is similar to other gravel bikes, but seems too new to find info on.
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Old 04-11-18, 01:41 PM
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Seems weird having front and rear shifters but only the rear shifter is used. Better to have a single dedicated rear shifter I would of thought and standard brake levers. Nice looking bike though.
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Old 04-11-18, 03:26 PM
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Likely cheaper to just buy the pair, as is. once its in your house you can see what you might get when you sell the left lever on its own.
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Old 04-11-18, 11:36 PM
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Old wine in a new fad bottle

this bike is essentially a Cadenza, offered by Dahon for about a decade now, with drop bars and 650b tires, seeking shamelessly to jump on the 'gravel bike' and 27.5"-wheel bandwagons. nothing new here.
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Old 04-12-18, 12:05 AM
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Originally Posted by fietsbob View Post
Likely cheaper to just buy the pair, as is. once its in your house you can see what you might get when you sell the left lever on its own.
The shifter is integrated into the brake lever so you would have to buy new brake levers to replace the existing dual shifter/brake levers. Other bikes without a front derailleur go for a single shifter. Maybe something like below. This seems more elegant and functional to me as you don't end up with a unused shifter mechanism. Alternatively fitting a front derailleur and double chainset would also be an option if possible. I'm probably being overly fussy/anal but don't like buttons and levers that don't do anything.

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Old 04-12-18, 01:09 AM
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Originally Posted by Abu Mahendra View Post
this bike is essentially a Cadenza, offered by Dahon for about a decade now, with drop bars and 650b tires, seeking shamelessly to jump on the 'gravel bike' and 27.5"-wheel bandwagons. nothing new here.
Is there nothing new here, or is it a Cadenza updated to dropbars and 27.5 wheels? That sounds like a new model to me.
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Old 04-12-18, 01:14 AM
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takes very little to impress you, it seems. wow, what a heck of a factory upgrade! it's not like no Cadenza owner could not have done that themselves a decade ago. Say I slap drop bars and 451 wheels (ISO584/27.5" is closer to ISO559/26" than ISO451 is to ISO406) on my Dash, is it a new model? No, it's a Dash with 451 wheels and dropbars. Swap the Birdy's 355 wheels for 406 (a bigger jump than 559 to 584), is it still a Birdy? Yes. Same thing here.

Originally Posted by Joe Remi View Post
Is there nothing new here, or is it a Cadenza updated to dropbars and 27.5 wheels? That sounds like a new model to me.

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Old 04-12-18, 08:06 AM
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Originally Posted by Abu Mahendra View Post
takes very little to impress you, it seems. wow, what a heck of a factory upgrade! it's not like no Cadenza owner could not have done that themselves a decade ago. Say I slap drop bars and 451 wheels (ISO584/27.5" is closer to ISO559/26" than ISO451 is to ISO406) on my Dash, is it a new model? No, it's a Dash with 451 wheels and dropbars. Swap the Birdy's 355 wheels for 406 (a bigger jump than 559 to 584), is it still a Birdy? Yes. Same thing here.
Yes, that's how new models of existing designs work. I don't think anybody is trying to pass this off as a major leap forward in technology, it's just a full-size Dahon outfitted for a type of riding some people like to do. I really don't see the point in coming to a thread to complain they didn't offer a whole new frame to accomplish the same thing.
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Old 04-12-18, 01:13 PM
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Originally Posted by Abu Mahendra View Post
this bike is essentially a Cadenza, offered by Dahon for about a decade now, with drop bars and 650b tires...
...and D4D handlebar stem.
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Old 04-12-18, 01:18 PM
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Originally Posted by tcs View Post
...and D4D handlebar stem.
Yeah, but they're repurposing an existing frame design so it sucks. Don't buy one.
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Old 04-12-18, 01:27 PM
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Originally Posted by Joe Remi View Post
Yeah, but they're repurposing an existing frame design so it sucks.


Dahon is offering a new design frame in the just announced NuWave family of bikes to serve the needs of a different segment of the humans of the world and according to some of the posters on Folding Bikes, that sucks, too.

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Old 04-12-18, 04:23 PM
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Originally Posted by tcs View Post
...and D4D handlebar stem.
Not exactly new either. It's been around for a few years, and before that, there was the Dahon NVO stem that offers the same functionality. I should know; I've now owned one for four years...

Look, there is nothing ostensibly wrong or bad with this new Cadenza. As one of the very, very few active users on this forum who actually owns and uses a LockJaw hinge bike, I've considered getting a Cadenza. It's just that you are getting hoodwinked if you think this bike is something more than a souped-up Cadenza.

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Old 04-12-18, 04:53 PM
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Originally Posted by Abu Mahendra View Post
Look, there is nothing ostensibly wrong or bad with this new Cadenza. As one of the very, very few active users on this forum who actually owns and uses a LockJaw hinge bike, I've considered getting a Cadenza. It's just that you are getting hoodwinked if you think this bike is something more than a souped-up Cadenza.
Look, you're the only one who even brought up that it was anything more. The OP mentioned 27.5 wheels, dropbars and discs, which is a legit new combination to be excited about in a folder. You found a problem that isn't there, then complained about it. I don't understand the point of this.
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Old 05-03-18, 08:41 PM
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I stand corrected.

This from Th0r on the new bike...

there is s much different on this frame its not even close. First the frame is hydroformed and much stronger to keep up with the natur of adventure gravel touring. 2 width for tire clearance up to 42 mm wide tires. Different angles to keep you in control during sketchy parts. The Lockjaw is very different as well, stronger and not dependent on a cam. The flatpack adjustable stem of course. Bottom bracket clearance is optimized. I am probably forgetting some stuff even. And again this is a proto and will receive small changes for production, like more attachment point for carrier and fenders.Not to forget that it will get a whole slew of other components to make it usefull for the intended use.
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