This is the Ritchey WCS Carbon One-Bolt 350mm x 31.6 diam Seatpost with 25mm offset.

I used it on my Big Mama, but now that is gone.

I weighed it on my Park Digital bike scale and it said 200 grams. I weighed it on my digital kitchen food prep scale and it registered 206 grams.

This is $190 at and Yours, shipped for $100.00.
Paypal accepted. Email addy is
[email protected] which is good for paypal payments, too.

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