CAAD12 to replace my old bike?
07-10-16 | 08:59 AM
#1
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Joined: Jul 2016
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CAAD12 to replace my old bike?
Which size CAAD12 offers the closest fit to my 56cm Fuji Roubaix? I initially thought 56 to 56, but I'm unsure after seeing the Fuji's reach is closer to the 54cm CAAD.
Fuji Geo: https://media.performancebike.com/ima...453-SIZING.gif
CAAD Geo: https://www.bike24.com/i/p/6/2/140426_01_d.jpg
Fuji Geo: https://media.performancebike.com/ima...453-SIZING.gif
CAAD Geo: https://www.bike24.com/i/p/6/2/140426_01_d.jpg
07-28-16 | 06:25 AM
#2
Senior Member
Joined: Oct 2013
Posts: 139
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From: Brentwood, TN
Bikes: Novara Trenta Road, Trek ZX6000 MTB
You should compare frames using the stack and reach numbers for each frame not just effective top tube length. You can find these numbers at Fuji's and Cannondale's websites. These numbers provide an objective comparison of the geometry of frames.
07-28-16 | 06:53 AM
#3
Yes.
It worked great when I was shopping for a bike. I measured my old bike with a level and a weighted string. (It's easier with two people. Stack & reach are center-to-center.)
Stack and Reach
I use stack and reach to compare different bikes. It determines where the bar will be placed relative to the crank axle (bottom bracket). So it's easier to see that the bars on Bike A are 2cm farther forward and 1cm lower than Bike B, for example. Most sizing charts include stack and reach along with the other measurements.
(Seat tube angles can be a little different from each other, which positions the saddle forward or backward. But that can usually be compensated by moving the saddle on it's rails.)
It worked great when I was shopping for a bike. I measured my old bike with a level and a weighted string. (It's easier with two people. Stack & reach are center-to-center.)
Stack and Reach
I use stack and reach to compare different bikes. It determines where the bar will be placed relative to the crank axle (bottom bracket). So it's easier to see that the bars on Bike A are 2cm farther forward and 1cm lower than Bike B, for example. Most sizing charts include stack and reach along with the other measurements.
(Seat tube angles can be a little different from each other, which positions the saddle forward or backward. But that can usually be compensated by moving the saddle on it's rails.)
Last edited by rm -rf; 07-28-16 at 06:58 AM.
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