This is a Bontrager BONTRAGER Serano Pro SERANO PRO 138mm carbon rail saddle. Bontrager BONTRAGER Serrano Pro SERANO PRO 138mm carbon rail saddle. Used: D (strong signs of use/noticeable scratches, scuffs, rust, etc.) There are mounting marks on the rails and scuffs on the top of the saddle near the rear logo.
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