Finding replacement headset bearings for CAAD10

I need to replace my headset bearings. The lower bearing was pretty corroded and not spinning smoothly. I took off both seals, degreased, and regreased and it’s working a little better for the time being. I went to my LBS, and they only carry the entire headset assembly linked directly below and it’s not in stock…about 1 week to order. This is the exact headset I have.

http://www.cannondaleexperts.com/Cannondale-CAAD10-Complete-Headset--KP155_p_530.html

The upper and lower bearings are different sizes (as noted in the link above). 1 1/4 lower and 1 1/8 upper. I looked at the actual bearings and I couldn’t find a part or serial number to specifically identify it.

Because I’m just looking to replace the bearings and not the whole headset assembly, my search brought me to the site below.

http://www.jensonusa.com/!4moMP0PLY96USrg0r65FDQ!/Cane-Creek-40-Series-Replacement-Bearing?utm_source=FRGL&utm_medium=organic&gclid=CMqn7tuQnLsCFeo9Qgodf2YAPA

Here you can see they have bearings both in 1 1/4 and 1 1/8, but there are two different options for the 1 1/8. How would I know which bearings I need? Does the blue colored seals mean anything? The ones I currently have are black just like the first link.

Thanks in advance.

I was in the same boat as you a few months ago with my Giant Trinity Alliance. Try contacting a Cannondale store, they should be able to get you whatever you need.