Giant 27.2mm x 300mm carbon-fiber aero post Model 3. New, $100.00

• 227 grams
• This was taken off a new bike

Side view

Another side view

And the other side

And one more view

Giant 30.9mm x 300mm alloy seat post. Used, $30.00/each

Front view

From the side.

From behind.

Here's a close-up of the saddle clamp.

Side view of the saddle clamp

From the top