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Zipp Service Course SL 20 SB seatpost, Ø-27.2 mm/400 mm

189 
RRP 209 
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Delivery method on Friday 21.08.2026
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ZIPP Service Course SL seatpost, 20mm Setback, 27.2 mm diameter, 400 mm length, with matte black logos.



The Service Course SL carbon seatpost is specifically designed for greater shock absorption than the most "comfortable" seatposts on the market, while still meeting Zipp's strict internal test for MTB component durability. The flex engineered into the lightweight carbon tube allows the rider to enjoy a comfortable ride on any terrain.



Better positioning on the bike means greater performance, and when your saddle is out of position, you lose energy with every pedal stroke. A secure two-bolt clamp allows for easy micro-adjustment of saddle position, and the seatpost head has been redesigned for the easiest possible access to the bolts. With 0 and 20mm offset options, the ideal position is now achievable for almost all riders, and the clamp is compatible with all types of saddle rails.



FEATURES:



- Updated, unmistakable Zipp look

- Unidirectional carbon fiber tube for optimal compliance on roads of all types

- Seatpost diameters 25.4, 27.2, and 31.6 mm

- 0 and 20 mm saddle offset

- Two-bolt aluminum saddle clamp for easy adjustment and secure hold

- Lifetime warranty



Material generally: Carbon

Seatpost diameter: 27.2 mm

Total length: 400 mm

Weight: 233 g

Product details
Colour black
Material carbon fiber
product ID 140421
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A brand belonging to the American giant SRAM, which specializes in the production of complete wheels, handlebars, stems and seatposts. Its history dates back to 1988, when it started producing composite disc wheels, where it is still among the top.

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