Singlespeed & Fixed Gear - Pista Downtube.... does this look right?????????

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PIZZ
09-01-06, 08:26 PM
I just purchased a Bianchi Pista 06 used. After I bought it I noticed that the downtube seems to have some tapering to it. It starts out round like a regular tube shape then its tapers in and turn more ovel shaped at the Bicnchi logo and back to the cilinder shape near the bottom bracket. Is this normal or not? I'm hoping i didnt get a crashed frame... it looks straight though

Surferbruce
09-01-06, 08:36 PM
it's normal.
invincibleone
09-01-06, 08:37 PM
I just purchased a Bianchi Pista 06 used. After I bought it I noticed that the downtube seems to have some tapering to it. It starts out round like a regular tube shape then its tapers in and turn more ovel shaped at the Bicnchi logo and back to the cilinder shape near the bottom bracket. Is this normal or not? I'm hoping i didnt get a crashed frame... it looks straight though

Post a picture and you will have a better chance of finding out. From what you described it sounds like tapered tubing which is factory *****.

Dannihilator
09-01-06, 10:33 PM
Normal
DosRenshos
09-02-06, 03:55 PM
or some knucklehead put the squeeze on w/ a bike stand.
Re-Cycle
09-02-06, 04:26 PM
^ no, that does not happen. All bike mechanics are pros
Falkon
09-02-06, 04:28 PM
who would clamp a bike by the downtube right at the bottom bracket?

The frame should have an oval shape at the BB and change shape to however Bianchi shapes it.
thriftcore
09-02-06, 07:37 PM
totally normal. I didn't notice it until I removed the decals. I figure the aero shape shaves a few seconds off my liquor store runs.
PIZZ
09-02-06, 08:25 PM
who would clamp a bike by the downtube right at the bottom bracket?

The frame should have an oval shape at the BB and change shape to however Bianchi shapes it.


Ya i'm realizing it looks like it's shaped that way at the company. i thought it maybe could have been clamped too
phoenix
09-02-06, 10:45 PM
totally normal. I didn't notice it until I removed the decals. I figure the aero shape shaves a few seconds off my liquor store runs.

I think you made me have to make a run the "sto"

My goal is to ride and drink beer, just ran out of beer.
na975
09-03-06, 07:14 PM
lots a cheap frames are made that way, my rush is like that.
eddiebrannan
09-03-06, 08:39 PM
it's called biovalized tubing. oval vertically at the headube junction, horizontally at the bb. or just round at the top, ovalized at the bottom. it's done for increased lateral stiffness where you need it, and the cheapest frames use straight-gauge tubing, round and the same thickness all the way—so it's not a "cheap frame" thing.
the pope
09-03-06, 09:03 PM
lots a cheap frames are made that way, my rush is like that.

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