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Slowtwitch Forums: Triathlon Forum:
Which frame is more aero? My Dual or ??

 
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B-Dub

Nov 5, 09 19:14

Post #1 of 3 (164 views)
Which frame is more aero? My Dual or ?? Can't Post
I once again ponder a frame upgrade. I have a 56cm 2005 Dual in great shape that has been upgraded. I have 2010 Force deraileurs, a Red Crank, an Aluminum HED integrated bar, and i race with Zipp 404 clinchers. The Red paintjob still looks cool. I might get the Force or Rival brake calipers to finish the upgrade.

Here's a pic of the frame for those who aren't familiar:
http://www.bikesportmichigan.com/...05-cervelo-dual9.htm

I was checking out this new BH GC frame that Eneko Llanos rode in Hawaii. The web picture doesn't show some of the frame as well as some photos in the Nov 09 Triathlete article on Eneko.

http://www.bhbikes-us.com/bikes.php#content_top then click on the GC Aero frame picture at the bottom.


What do you think? Is my old aluminum more aero than the new carbon? Is my Dual still as good as new frames five years newer?
......over and out......


SeasonsChange

Nov 5, 09 20:25

Post #2 of 3 (125 views)
Re: Which frame is more aero? My Dual or ?? [B-Dub] [In reply to] Can't Post
dual is probably more aero.

a dual is a sick bike, i have no idea why you would want to upgrade it.

if you really want to buy something, get a power meter or a water rover is you want to be faster.


jackmott

Nov 5, 09 21:05

Post #3 of 3 (105 views)
Re: Which frame is more aero? My Dual or ?? [B-Dub] [In reply to] Can't Post
Theres a few bad indications on that BH GC frame

1. the seat stays attach at the top tube instead of below. this is an aero 'no no' usually

2. the fork integration, totally fails to integrate

3. the cutout has a gap


Now its possible that this bike tests very well in a tunnel despite these things, especially if those tube shapes are thin

but it doesn't appear to be a bike desgined by people really intended to maximize aerodynamics, since they have missed some simple features

In Reply To:
I once again ponder a frame upgrade. I have a 56cm 2005 Dual in great shape that has been upgraded. I have 2010 Force deraileurs, a Red Crank, an Aluminum HED integrated bar, and i race with Zipp 404 clinchers. The Red paintjob still looks cool. I might get the Force or Rival brake calipers to finish the upgrade.

Here's a pic of the frame for those who aren't familiar:
http://www.bikesportmichigan.com/...05-cervelo-dual9.htm

I was checking out this new BH GC frame that Eneko Llanos rode in Hawaii. The web picture doesn't show some of the frame as well as some photos in the Nov 09 Triathlete article on Eneko.

http://www.bhbikes-us.com/bikes.php#content_top then click on the GC Aero frame picture at the bottom.


What do you think? Is my old aluminum more aero than the new carbon? Is my Dual still as good as new frames five years newer?
----
Sunglasses: http://www.framesdirect.com/sunglasses
Tri Gear: http://www.atctrishop.com
rear wheel disc ALWAYS http://www.wheelbuilder.com if poor front wheel whatever torodial rim wheel you want, or H3. deeper if yer faster shallower if yer slower tires - http://www.biketechreview.com has crr data, use it frames - position trumps aero trumps weight trumps paintjob trumps stiffness water bottle between your arms or not at all if its a sprint swimget some swim lessons, its cheaper than buying bike speed train more and HTFU