Zipp's Service Course Seatpost is stiff, light, has excellent gripping power, and the low-profile cl

Weve taken our pro-proven Service Course SL Seatpost and made it better and lighter. The redesigned

Fit, security, adjustability and lightweight are what discerning riders look for in a seatpost. That

Weve taken our Service Course Seatpost and made it better. The result is a post thats lightweight an