Cyclocross - Frame help

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cs1
04-14-09, 06:02 AM
What's the difference between these 2 Moto's? Price is $100 more on one. First frame. http://cgi.ebay.com/NEW-2009-Motobecane-CycloCross-Frameset-Carbon-Fork_W0QQitemZ200326133411QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item200326133411&_trksid=p3286.c0.m14&_trkparms=66%3A4%7C65%3A1%7C39%3A1%7C240%3A1308
Second Frame. http://cgi.ebay.com/NEW-09-Motobecane-CycloCross-Frameset-Carbon-Fork-RED_W0QQitemZ380115839995QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item380115839995&_trksid=p3286.c0.m14&_trkparms=66%3A4%7C65%3A1%7C39%3A1%7C240%3A1308

black_box
04-14-09, 08:40 AM
in the description, it shows they use different aluminum and have different weights, maybe the headset headset too.
the first is a fantom cross pro: 6061 aluminum and 2.74kg for a 64cm frame
fantom cross: 7005 aluminum and 2.72kg for a 52cm frame
cs1
04-14-09, 11:27 AM
in the description, it shows they use different aluminum and have different weights, maybe the headset headset too.
the first is a fantom cross pro: 6061 aluminum and 2.74kg for a 64cm frame
fantom cross: 7005 aluminum and 2.72kg for a 52cm frame

I saw the different materials but I was under the impression that all their frames were basically the same. Maybe Mike can weigh in on the subject.

Lycc825
04-15-09, 07:25 PM
The impression that all frames are the same is that the frame geometry are the same. For Motobecane, their pro model uses nicer-lighter weight aluminum, which makes up for the higher price.
acorn_user
04-15-09, 07:59 PM
2.74kg? For a large frame and fork? Even allowing for the large frame size (they quote for a 64cm I think), and a fork and headset, that does seem somewhat excessive. Oh well. At least they won't dent. But at that weight, you're not gaining much over cheap steel frames.