Zipp Service Course SL Seatpost - 20mm Setback
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Zipp Service Course SL Seatpost - 20mm Setback
Zipp Service Course SL Seatpost - 20mm Setback Info
The Zipp Service Course SL Seatpost — 20mm Setback is built from carbon fiber, tuned to absorb road vibration without the weight penalty that typically comes with compliance-focused designs. Zipp positions it as stiffer than a comfort-oriented post yet more forgiving than a pure race component — a balance that suits riders who spend long hours in the saddle without sacrificing responsiveness. The 20mm setback moves your saddle rearward relative to the rails, giving you the hip-over-pedal position that longer-limbed or more upright riders often need to dial in their fit.
A two-bolt clamp system lets you make fine adjustments to saddle angle and fore-aft position without the fumbling that single-bolt designs can involve. Available in three diameters — 25.4mm, 27.2mm, and 31.6mm — it covers a wide range of frame specifications, from older road standards to contemporary builds.
Zipp Service Course SL Seatpost Specs at a Glance
- Material: Carbon fiber
- Setback: 20mm
- Clamp: Two-bolt saddle clamp
- Diameter options: 25.4mm, 27.2mm, 31.6mm
- Finish: Black
