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@marxist_vulcan
For sale is this Specialized CG-R Carbon seatpost with Zertz suspension insert. It is in excellent condition, fits standard bikes and is 350mm long. This lightweight carbon seatpost is super - comfortable due to the patented design with Zertz insert.
See below what Specialized say about it;
The CG-R seatpost extends the concept that “Smoother is Faster.” This revolutionary post features 18mm of vertical compliance, Zertz vibration damping, and FACT carbon construction. The CG-R delivers unsurpassed comfort, control, and efficiency without adding weight or complication to the frame. No matter what surface your ride takes you on, the CG-R will make it better.
Revolutionary design allows 18mm of vertical compliance.
FACT carbon construction blends durability and comfort.
Vibration-damping Zertz for increased comfort.
Cylindrical aluminium head assembly adjusts fore-aft and tilt with an easy-access single bolt.
Diameter: 27.2mm
Length: 350mm