Zipp Service Course Seatpost - 27.2mm | 20mm Setback Bottom Brackets built with a carbon fiber

built with a carbon fiber body for the lowest possible platform weight while maintaining the structural integrity demanded by sprint finishes and mountain climbs under race loads

so you're not shortchanged on fit just because you're starting with the Classic 3

The LockTight Wing design keeps your bottle secure through vibration and trail chatter while still releasing cleanly for a one-handed grab when you need hydration mid-effort

roughly 24 grams lighter than stock and about half the weight of a standard set

it provides lower rolling resistance than butyl and resists degradation from residual tubeless sealant

Zipp Service Course Seatpost - 27.2mm | 20mm Setback Bottom Brackets built with a carbon fiberWhy Is the Zipp Service Course Seatpost a Smart Upgrade? The Zipp Service Course Seatpost brings reliable performance and precise fit adjustability to riders who want premium brand quality at an accessible price. Its low profile clamp design provides a wider range of fore aft saddle adjustment than most posts in this category, giving you the flexibility to dial in your position without running out of travel. At 27. 2mm with a 20mm setback, it suits a