Our New Zumbi DH Team Frame

thaflyinfatman · Mar 20, 2006

Not to rain on your parade, but that doesn't have a significantly rearwards axle path. That pivot is about as low as you could put it without having it BB-centric.

no skid marks · Mar 20, 2006

The pivots a bit higher than the rear axle so when you sit on it the axle would go back,after that not.Would track backwards on small hits when Ridding I guess?
Otherwise the fabrication looks good,not my cup of tea but it would have a low C.O.G.. Good to see.

thaflyinfatman · Mar 20, 2006

MaxDamageDA said:
The wheel path goes back! The frame is fast, weve tested that, dont worry. And we dont like high pivots cause most of them have higher center of mass and the chain is slapping on them often. Its also linting it.

Yeah it goes back VERY slightly like most bikes (even a lot of FSR bikes), but realistically it's very close to vertical for most of its travel.

I'm not saying the frame is bad or anything, just that one statement is incorrect.

preppie · Mar 20, 2006

There are more than a few DH race bikes with a slightly rearward axle path.
Some like it others don't.

It's nice, especially the price :thumb:

DHS · Mar 20, 2006

um, why does your front triangle look exactly like a Karpiel?
(yes i know his is single pivot, but the rest of the front end looks like it)

RaID · Mar 20, 2006

Rama wyglada niezle i dobrze ze takiej jakosci ramy sa dostepne w Polsce jeszcze za taka cene i z Avy amortyzatorem.
Powodzenia ze sprzedarza ram

Frame looks sturdy, but like said above not much rear axle path in it. Looks like it will rail corners nicely though.

sikocycles · Mar 20, 2006

Polish power

Downhiller · Mar 20, 2006

karpiel-rocky mountain mix, its nice

FBTMILF · Mar 20, 2006

looks so nice... :drool:

wood-dog · Mar 20, 2006

maybe I missed something, but what is the travel on that set-up

TheInedibleHulk · Mar 20, 2006

do you have a US importer?

Sir_Crackien · Mar 20, 2006

i like! look like a simple but study frame. reminds me of the old chumba's

Zutroy · Mar 20, 2006

Pretty much the same as a long travel Chumba DSS with an F5 front end. Nice simple looking bike.

sn0wboarder · Mar 20, 2006

Cool frame.

I wish I took the time when I was younger to learn how to read and write in Polish. All I can do is speak it.

zedro · Mar 20, 2006

that has to be one of the stiffest swingarms....

and whats up with the Karpiel comparison above...how random...it's a fairly common configuration

vitox · Mar 20, 2006

it looks ok but having had a lot of close contact with both the chumba f4 and the disco volante, i can say that those arent similarities, several structural solutions are identical, not that theres anything necessarily wrong with that (legally speaking) but to me its a copy.

btw is jan involved? he is polish isnt he?

kidwoo · Mar 20, 2006

vitox said:
btw is jan involved? he is polish isnt he?

Yes....he required a large consultation fee for intitial design work which he said would be immediately reimbursed upon product release.........and as soon as the front triangles are back from heat treating.....and powder coating.......and alignment..........and waxing.......and he buys dinner.

vitox · Mar 20, 2006

looking at it a bit more i can only see that the gussets have been lengthened a lot, good call, also that the tubing doesnt look to be so extensively ovalized as the reno built disco, the upper gusset isnt welded at the back, good call because ive seen it crack there, the machining on the shock mount plates is different aesteticaly speaking but extremely similar to the original, head tube has been milled externally, very good choice, to prevent flaring (one of the biggger problem on the disco) although i would have gone with onepointfive, the rear end and the bb machined part look a bit crude and really the rear end is like you welding that huge shock mount to an f4 swingarm.
all in all that looks like someone with a VERY detailed insight to the whole disco volante fabrication had mated a poland made (different suppliers and all) disco volante to a simpler rear end.

zedro · Mar 20, 2006

vitox said:
...not that theres anything necessarily wrong with that (legally speaking) but to me its a copy...

.

i'm sorry to say but thats one of the more rediculous things i've heard here. I mean that in the nicest way tho :love:

SCABRIDER · Mar 20, 2006

nice bike. i love it...

kidwoo · Mar 20, 2006

zedro said:
i'm sorry to say but thats one of the more rediculous things i've heard here. I mean that in the nicest way tho :love:

I don't know man........I've been around a LOT of karpiels and while I agree that other frames use the same tube cross design (titus), there are some things that are definitely karpiel on that. The gussets, the shape of a few plates used......

So what you've just witnessed is me waving my hand to your question of "who else wants to look stoopid?" Just so there's no confusion.

vitox · Mar 20, 2006

zedro said:
i'm sorry to say but thats one of the more rediculous things i've heard here. I mean that in the nicest way tho :love:

great cuz thats actually the idea, remember the big picture here

RaID · Mar 20, 2006

sn0wboarder said:
Cool frame.

I wish I took the time when I was younger to learn how to read and write in Polish. All I can do is speak it.

Well at least you can do that, some ppl who really should know both, struggle to even link up a few words.

Its not too late to learn though, it comes in handy

seismic · Mar 21, 2006

The frame looks very nice indeed !

vitox · Mar 21, 2006

MaxDamageDA said:
THats not a direct copy. Disco was only the inspiration but the angles of orginal disco are tottaly different. I got a complete bike on older disco and also 2002 one , both with avy's in my home and i know how they look.

it is a copy to an extent, its obvious from looking at it, of course there are nuances to such things, you might say its the inspiration, it doesnt matter, im not meaning anything negative here, its just that the structural design is almost identical, yes the angles and the tubing might be different (7020 isnt used much in the states anyway). anyhow, i think its a sound design, no matter the origin.

Bati · Mar 21, 2006

obiously Jan's phantom is there.....

zedro · Mar 21, 2006

vitox said:
it is a copy...

i'm thinking it's a language thing cus that word really doesnt apply. As a designer, theres always a little bit of everything since nothing is born from a vacuum, and when you start with a blank sheet things never are copies. It's actually quite an insult and drives designers crazy when they get that aimless accusation. I know you don't mean harm but...

I always wonder why no one gets accused of ripping-off the triangle design...

kidwoo · Mar 21, 2006

zedro said:
I always wonder why no one gets accused of ripping-off the triangle design...

Yeah but that's the most basic structurally-dictated standard.

It's like tim horton's getting sued by moses for ripping off the bagel layout when both guys realized their dough poofs just weren't getting cooked in the middle and had to be removed. It's just the most structrually sound conclusion from any point of departure.

offtheedge · Mar 21, 2006

zedro said:
i'm thinking it's a language thing cus that word really doesnt apply. As a designer, theres always a little bit of everything since nothing is born from a vacuum, and when you start with a blank sheet things never are copies. It's actually quite an insult and drives designers crazy when they get that aimless accusation. I know you don't mean harm but...

I always wonder why no one gets accused of ripping-off the triangle design...

No doubt! Using aloy tubes is so over done. Now bamboo... there is a real free thinker.

zedro · Mar 21, 2006

kidwoo said:
It's like tim horton's getting sued by moses for ripping off the bagel layout when both guys realized their dough poofs just weren't getting cooked in the middle and had to be removed. It's just the most structrually sound conclusion from any point of departure.

i coulda gone for a whole lifetime never knowing why donuts had a hole in the middle. Well except to make Timbits.

Anyways, that frame is "structurally obvious" to me, and i don't lend that layout to Karpiel which is why i don't buy the copy argument. There are similar layouts out there (especially in the lower-mid end) who have probably never seen a Karpiel. Hell Cannondale never got accused...or GT, or Raleight, or Norco, or....

kidwoo · Mar 21, 2006

Yeah but those guys are really into karpiels.:love:

ohio · Mar 21, 2006

Nice looking bike. Great price, especially for a custom.

Good luck with it.

Our New Zumbi DH Team Frame

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