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Recumbent What IS that thing?! Recumbents may be odd looking, but they have many advantages over a "wedgie" bicycle. Discuss the in's and out's recumbent lifestyle in the recumbent forum.

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Old 10-19-08, 01:20 AM   #1
ChilliPepper
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Sun's new Razor - Cruzbike killer

Check this out! Sun's new secret weapon.

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Old 10-19-08, 04:06 AM   #2
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Quote:
Originally Posted by ChilliPepper View Post
Check this out! Sun's new secret weapon.

That looks really comfy for a racing type. Where could I haul my stuff, though? I couldn't see whole lot of space for racks or bags. ...And I'm still waiting for a rack that will fit my X-2 AX (due out in 2009).
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Old 10-19-08, 11:58 AM   #3
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The Cruzbike adjusts differently: the Sun looks like just the seat adjusts.
The Sun looks like it has no suspension: Cruzbikes have both front and rear suspension.

The Sun is a front-wheel drive recumbent, true, but I really don't think it's a
"Cruzbike killer."

Without the suspension and the adjustable TFT, the Sun may well be lighter and more inexpensive....
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Old 10-19-08, 08:46 PM   #4
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Originally Posted by yakmurph View Post
Without the suspension and the adjustable TFT, the Sun may well be lighter and more inexpensive....
I wouldn't consider it a disadvantage to have a moving seat adjustment or to forego suspension. But c'mon.
We're talking about a Sun here; "lighter" is not in their vocabulary.
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Old 10-19-08, 09:50 PM   #5
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I wouldn't consider it a disadvantage to have a moving seat adjustment or to forego suspension. But c'mon.
We're talking about a Sun here; "lighter" is not in their vocabulary.
A bike is a bike is a bike, but that's just an observation.
My back likes suspended single-track vehicles, so that, by default, is my preference.

I'm not a 'bent connoisseur, in fact I'm completely ignorant of the relative merits of the
various brands.
Front-wheel drive just appeals to me, as an elegant way to power a recumbent bicycle
(aren't the fully enclosed speed-record holders front-wheel drive?)
and the recumbent seat is the only type of bicycle seat that I can tolerate.

My Sofrider is relatively heavy, but It's well-built, is holding up very well
and I find it extremely comfortable.

So, BlazingPedals, I assume by your comment that you mean to say that Sun
manufactures heavy bicycles?!

Anyway, the Sun Razor looks like fun... clunky, but fun.
I'd love to test ride it.
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Old 10-19-08, 10:25 PM   #6
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Quote:
Originally Posted by yakmurph View Post
Front-wheel drive just appeals to me, as an elegant way to power a recumbent bicycle
(aren't the fully enclosed speed-record holders front-wheel drive?)
Yes, but it's a different type of FWD. The Varna bikes use a twist-chain style FWD:
http://www.ohpv.org/albums/bm2004/va...s/varnas21.htm ,
while the Razor/Cruzbike use moving bottom-bracket style FWD similar to the Flevo design.

There's upsides and downsides to both these designs (as well as rear wheel drive).
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Old 10-20-08, 10:47 AM   #7
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Sun bikes are, shall we say, "overbuilt." That can be a Good Thing if you're a member of the 300lb club, but a bad thing if you're not. I don't know about the Cruz-clone yet, but I suspect it weighs more than the originals. I will say, it looks nice.
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Old 10-20-08, 04:14 PM   #8
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Am I seeing Ape Hangars on that bike??


PW

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Old 10-27-08, 07:08 AM   #9
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Not too bad looking. My immediate comment would be no suspension = bad thing. With FWD, you really want to keep that front tire sticking to the road and suspension plays a big part in that. I'm sure that bike works just fine in most conditions, but I wouldn't be wanting to sprint up a hill with expansion cracks on a rigid FWD.

Interesting that they took the approach of fixing the front end and making the seat movable. I like that, I think. Fewer clamps and what not that add up to extra weight.

It doesn't look too bad, but I'd be reluctant to call it a CB killer.

Mark
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Old 06-30-09, 02:42 PM   #10
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Dang! Now I might have to buy yet ANOTHER bike! As owner & rider of a half-dozen 'bents already, including a Cruzbike FWD conversion that is a total BLAST to ride, I want to try one of these SUN Razors out. Unfortunately the only bike shop here in Hawaii that sells 'bents won't stock one of these; too unusual. They wouldn't even stock a SUN Tomahawk, so I special-ordered one to try (nice, fast, but not perfect). I know they won't stock a FWD. The MBB-FWD design is not for everyone, but once mastered it is totally fun to ride!
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Old 06-30-09, 06:12 PM   #11
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I like the LWB in the background with the electric motor.
Kinda looks like an EcoSpeed mid-drive.
Is the LWB an EasyRacer?
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Old 06-30-09, 07:16 PM   #12
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I ride a raptobike, a twist-chain FWD lowracer. It isn't the MBB FWD style pictured above. My bike doesn't have suspension and I have had zero problems with wheel slip. Not uphill, not in the rain, not on gravel, not uphill in the rain.



Obviously I can't say anything about the Sun Razor. A MBB FWD design preforms quite differently than a twist-chain FWD.
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Old 06-30-09, 07:54 PM   #13
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It's been over eight months since those first pics were posted, and I haven't heard any more about it. Did Sun quietly drop the concept?
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Old 06-30-09, 09:47 PM   #14
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It's been over eight months since those first pics were posted, and I haven't heard any more about it. Did Sun quietly drop the concept?
Ha, I didn't notice how old the thread was.
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Old 07-02-09, 11:03 AM   #15
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Jeff Wills,
The link you posted is broken. I'm disappointed, as I was hoping to learn more about FWD. The Cruzbike Silvio is a good-looking bike, judging from an online video of it I viewed. Haven't seen it up close and personal, I should add.

I'm intrigued as to the "twist-chain style" vs. the "bottom-bracket style" FWD techniques. Which do you think is better for the recreational biker? Or is it more a "six-of-one vs. half dozen of the other" type thing?
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Old 07-16-09, 09:29 PM   #16
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I contacted SUN Bicycles about this bike. Their reply:

<< Thursday, July 16, 2009 5:20 AM
From: <gary@jbimporters.com>


The bike from the forum you sent was a proto-type that never went into production. A bit too unsafe. At this point we do not have anything like it in the works.

Thank You >>

So there you have it. Not available. Too bad, I probably would'a bought one. Cruzbike remains the only MBB-FWD on the market AFAIK
I want a Raptobike "Mid-Racer", too, once it's in production. Wonder if a USA distributor will appear? May just have to build my own twist-chain FWD.
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