Ritchey WCS Zero Seatpost: 31.6 400mm Zero Offset Matte Black CN-12S The 12×148mm rear end uses

The 12×148mm rear end uses SRAM’s Universal Derailleur Hanger standard for easier replacement and drivetrain compatibility

Triple butted 7075 alloy with 4

returning to ZRO in just 3-5 years

model SIDLuxe remote lockout stroke 45mm eye-eye 165mm

Also compatible with Shimano/SRAM 8-10sp cassettes with spacer

Ritchey WCS Zero Seatpost: 31.6 400mm Zero Offset Matte Black CN-12S The 12×148mm rear end usesWhether it's a cross remount an unexpected pothole or a rough line down the trail the WCS Zero post will not relinquish its position no matter what. Featuring a confidence inspiring extra secure fore aft bolt system the Zero post is second to none in ease of installation and fit adjustment. Fore aft adjustment bolts for precision adjustment and secure clamping Length 400 Material Aluminum Clamp Style Standard Rails Offset (mm) 0 Color Black Diameter