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Old 07-17-08, 11:57 AM   #1
sys@dmin
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Trek 4300 vs 3900

Hi all,
Love this forum - all my questions were answered so far, thx to archives.

Does anyone know what is the REAL difference between 3900 and 4300. Is Alpha Black aluminum frame on 4300 better than Alpha white on 3900? Is there a difference in weight?

TIA
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Old 07-17-08, 12:14 PM   #2
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Does anyone know what is the REAL difference between 3900 and 4300.
400
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Old 07-17-08, 12:50 PM   #3
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4300 has disk mounts and I think the "white" aluminum is higher quality, but this sounds like a question for Cheeto. . .
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Old 07-17-08, 01:12 PM   #4
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Originally Posted by sys@dmin View Post
Hi all,
Love this forum - all my questions were answered so far, thx to archives.

Does anyone know what is the REAL difference between 3900 and 4300. Is Alpha Black aluminum frame on 4300 better than Alpha white on 3900? Is there a difference in weight?

TIA
REAL differences:

Hydroformed vs. externally relived frame
100mm fork
better derailuer
rims
Alloy pedal vs. plastic pedal
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Old 07-17-08, 01:13 PM   #5
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400
Sounds like you're developer...
Only developers give an absolutely correct answer. And absolutely useless too
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Old 07-17-08, 01:17 PM   #6
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Sounds like you're developer...
Only developers give an absolutely correct answer. And absolutely useless too
He he, Depends on your perspective, I got a laugh out of it so I found it usefull.
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Old 07-17-08, 01:34 PM   #7
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REAL differences:

Hydroformed vs. externally relived frame
100mm fork
better derailuer
rims
Alloy pedal vs. plastic pedal
Thx born2bahick,

I don't think that acera vs alivio derailleurs have much difference, especially for newbie, like me. I know about all "technical" differences, but I'd like to find out more info based on experience.
SO alloy pedals is a good thing (pretty cheap though), 100mm fork - I'm going to ride in the city mostly, so 80mm should be fine, considering the fact that they both (bottom) low end.
Don't know about the rims, any suggestions?
And the main thing - "Hydroformed vs. externally relived frame" doesn't tell me much, unfortunately Is there a difference except how they look?
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Old 07-17-08, 01:34 PM   #8
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I am not sure about the specific components between the two, but found this on Trek's site. Seems the level of aluminum is Red > Black > White. http://www.trekbikes.com/us/en/compa...lpha_aluminum/

I bought my son and myself Trek 4300's (minus disc brakes) and have been MORE than satisfied with them.

Just my $.02

From what I was told when shopping around, Hydro forming is a process of shaping the aluminum resulting in less stress (from manufacturing) than straight bending/shaping. Using a liquid in the tube while bending and forming allows for constant pressure... or something like that. I'm not an engineer, just taking the info 3 LBS told me.

Last edited by CollectiveInk; 07-17-08 at 01:37 PM. Reason: more info
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Old 07-17-08, 02:07 PM   #9
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I own an 08 3900.
I've ridden an older 4300.
Get the 4300. Its better quality, the components are better. And it has disk brake mounts.

If you dont care about that, The 3900 should do fine for city riding. Heck, for city, even a 3700 would do.
My only complaints were the stock parts... =0
They weren't rugged enough to stand up to my abuse.
The Frame itself is decent.
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Old 07-17-08, 02:31 PM   #10
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2cheeto:

3700 is not much cheaper then 4300(about $60-80) and I can afford the difference. The reason I looked at 4300 is the frame. If later I'll decide to do some off-road I can just upgrade the components.
I'd go for 4500, but it's $200 more than 4300, which doesn't make sense to me now.
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Old 07-17-08, 05:02 PM   #11
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4500 has better components and probably the better frame as well.
Better components have higher prices.
Go for the 4300 then...
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Old 07-17-08, 05:15 PM   #12
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4500 has better components and probably the better frame as well.
Better components have higher prices.
Go for the 4300 then...
Correct me if my info is wrong, but I believe that the 4300 and 4500 use the same frame
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Old 07-17-08, 06:03 PM   #13
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Exactly! The frame is the same. So you're getting Rock Shox Dart 3 fork and Deore RD with Alivio Shifters. They're separated from the brake levers (don't know how to explain it in "bicyclist" style
4500 also has V-brakes.

AND

Thanks everyone for quick responses! I've just been in LBS, tried both 3900 and 4300. They're OK... BUT something was wrong Trying to get the body response, what I didn't like exactly.

The bottom line is 4300 has stronger and lighter frame (not significant though). I doubt that it's important for beginners.
My next bet is Giant Rincon or Spec Hardrock. They're "more" off-road due to a thicker tires (read slower and noisier) and softer forks (100mm both).

I can post an update if anyone is interested, otherwise we can close the thread.

Thanks again!
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Old 07-17-08, 06:39 PM   #14
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look at the fisher paranha.. those are nice. not sure on the price, but I like the fisher hardtails better than treks. They seem more responsive to me
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Old 07-17-08, 06:45 PM   #15
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Correct me if my info is wrong, but I believe that the 4300 and 4500 use the same frame
Yet more piss poor noobvice from Chester.


Ya know Cheeto...it's not that I don't like you or enjoy your posts, even compared to a pup like myself your still a friggin kid, man.

You're trying to give advice like you've been riding mountain bikes for a long time. You don't know jack from Jill, man. Do some research before you post something like that. It's easy. Trekbikes.com

Trek 4300:

Alpha Black Aluminum w/externally relieved head tube, hydroformed bi-axial down tube, monostay seat stays, forged disc ready dropouts

Trek 4500:

Alpha Black Aluminum w/externally relieved head tube, hydroformed bi-axial down tube, monostay seat stays, forged disc ready dropouts


You just post speculation. "This is what I think...there's not much to substantiate it."

Last edited by ed; 07-17-08 at 06:53 PM.
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Old 07-17-08, 06:49 PM   #16
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look at the fisher paranha.. those are nice. not sure on the price, but I like the fisher hardtails better than treks. They seem more responsive to me
Paranha = $730 ish at LBS. OP; If you do the things you discribe, you have no need for Discs and seperate shifters and brake levers are good IMO because when you crash and break a shifter or bend a lever, you can more cheaply replace it. Also, If the bike doesnt feel right, then its not. But Dirt is right, try some GFs.
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Old 07-17-08, 07:02 PM   #17
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I did try GF Marlin 19,5" and it's long for me Probably their famous Genesis Geometry is nice, but doesn't fit me.
What about Piranha - they're out of my budget by... the cost of the bike I'm looking for

Last edited by sys@dmin; 07-17-08 at 07:48 PM. Reason: typos...
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Old 07-17-08, 07:08 PM   #18
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400
HAHAHAHA
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Old 07-17-08, 07:12 PM   #19
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try an 18.5 or whatever the next one down is then, more room for the manhood. Don't be fooled by the numbers on the frame just ride what's comfortable to you, but be warned what's comfortable to you as a non-rider may not be comfortable ater a couple of months.. If your riding the street mainly you may want to be slightly more stretched after you get in cycling shape.

edit how tall are you?
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Old 07-17-08, 07:26 PM   #20
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Yet more piss poor noobvice from Chester.


Ya know Cheeto...it's not that I don't like you or enjoy your posts, even compared to a pup like myself your still a friggin kid, man.

You're trying to give advice like you've been riding mountain bikes for a long time. You don't know jack from Jill, man. Do some research before you post something like that. It's easy. Trekbikes.com

Trek 4300:

Alpha Black Aluminum w/externally relieved head tube, hydroformed bi-axial down tube, monostay seat stays, forged disc ready dropouts

Trek 4500:

Alpha Black Aluminum w/externally relieved head tube, hydroformed bi-axial down tube, monostay seat stays, forged disc ready dropouts


You just post speculation. "This is what I think...there's not much to substantiate it."
Wait, do I get a cookie or a demerit?
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Old 07-17-08, 07:47 PM   #21
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the next step is 17,5", however I didn't try it - didn't find a store with this size yet.
Correction - Large size on GF is 19".
And I'm 5'8"

BTW just noticed that GF changed it's bikes to G2 Genesis vs "original" Genesis. 2009 bikes are coming!
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Old 07-17-08, 07:49 PM   #22
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Wait, do I get a cookie or a demerit?
Chester = Chester-Cheeta = Cheeto

I was basically +1'ing you with another point about the advice from Rahtzee
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Old 07-17-08, 08:09 PM   #23
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Chester = Chester-Cheeta = Cheeto

I was basically +1'ing you with another point about the advice from Rahtzee
Now I have a point!
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Old 07-17-08, 09:21 PM   #24
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Yet more piss poor noobvice from Chester.


Ya know Cheeto...it's not that I don't like you or enjoy your posts, even compared to a pup like myself your still a friggin kid, man.

You're trying to give advice like you've been riding mountain bikes for a long time. You don't know jack from Jill, man. Do some research before you post something like that. It's easy. Trekbikes.com

Trek 4300:

Alpha Black Aluminum w/externally relieved head tube, hydroformed bi-axial down tube, monostay seat stays, forged disc ready dropouts

Trek 4500:

Alpha Black Aluminum w/externally relieved head tube, hydroformed bi-axial down tube, monostay seat stays, forged disc ready dropouts


You just post speculation. "This is what I think...there's not much to substantiate it."
I didnt research the frame sof the 4300-4500. I said PROBABLY, not definably.

I'm just trying to relay my experience with my 3900.
but, heres the best advice of all.

Get what you want, what feels best to you. It's no use spending money on something that is not comfortable. Pay attention to different sizes and geometry's. The hardrock has a more agressive feel, IN MY OPINION then the 3900...
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Old 07-17-08, 09:24 PM   #25
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Tires are easily replaced. Don't choose a bike based on tires. If the Rincon or Hardrock fit you better, it's a relatively cheap fix to put on more suitable tires.

As far as fit, don't compromise there. It's the most important part about the bike. Your LBS can also make some simple changes, like changing out the stem, adjusting the saddle position, etc, to change the fit, but some bikes will still fit better than others. If the Treks don't fit, look elsewhere. I bought my hardtails without shopping around first, and neither feel nearly as good as my FS, which I decided on after visiting around 5 bike shops, trying out countless bikes, and demoing one of them (the one I ended up buying).

What's wrong with separate shifters and brake levers? I've never used integrated shifters on a mountain bike, so I can't speak for how wonderful or not wonderful they are, but with separate shifters and brake levers, they're easier to replace and upgrade. If it's concern about not wanting to take your fingers off the brake, look for trigger shifters where both triggers are activated by your thumb. Some of the SRAMs are like that (I know the X.0's are, so I would assume that some, if not all, of their cheaper ones are like that too). Many bike shops are willing to swap out equivalent parts (e.g. X.5 RD and shifters for Deore) or upgrade if you pay the difference (e.g. X.7 RD and shifters for Deore + cash). So you might be able to pull off integrated shifters anyway, if your heart is really set on them. If you do start swapping out parts, just remember that SRAM RD's go with SRAM shifters and Shimano RD's go with Shimano shifters (and SRAM 2:1 shifters). FD's don't matter.

And you're fine with V's for now. But it doesn't hurt to get a disc compatible frame (and fork and wheels, if you don't want to upgrade them later). You might end up doing more trail riding in the future, and a good set of discs can make a world of difference (I think...my experience compares Tektro V's to Juicys, so if you have a great set of V's or buy a cheap set of discs, the difference might not be as pronounced). V's are lighter though, if you care about that.
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