Designed for the Specialized S-Works Tarmac FACT "D" shaped carbon seatpost.

Custom formed. Easy to install. Just remove your seatpost and slip it on. The snug fit keeps it in place. 

Made of engineering grade nylon carbon fiber. This new material is an amazing. The perfect blend of strength and durability.

3.6 grams without bolt and nut.

Finish: Matte black

Kit includes:
One K3 NCF FACT Carbon Tarmac frame number holder
One 4mm socket head bolt
One #8 nylon lock nut

Spare parts:
For replacement nuts and bolts use the Next Gen Spare Nut Pack.

Tip: A word of caution when placing your bike on a roof rack with frame number attached.

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