Zipp Service Course SL Seatpost Size1:31.6mm Increase Leverage: Provides a lighter

Increase Leverage: Provides a lighter lever action and more lever travel (ideal for stiffer posts)

The material used for the contact area

Wingflex: The shell's side edges flex and adapt to a rider's inner leg movement

ultra-slick uncoated surface delivers incredibly accurate

Superior Ventilation: While many aero helmets sacrifice airflow for speed

Zipp Service Course SL Seatpost Size1:31.6mm Increase Leverage: Provides a lighterThe carbon Service Course SL seatpost is specifically tuned to be more shock absorbing than the comfort seatposts on the market. Flex engineered into the lightweight carbon tube keeps the rider comfortable over any terrain. Better fit means better performance, and if your saddle is out of position, youll waste energy with every pedal stroke. The secure, two bolt clamp makes for easy micro adjustments of saddle position, and the head has been