RockShox Seatpost Upper Piston Assembly – 30.9/31.6, 100mm – (Includes Upper Piston/Valve, Shaft) – Reverb Axs B1+ (2026+): 150MM

Sram:

SEATPOST UPPER PISTON ASSEMBLY – 30.9/31.6, 100MM – (INCLUDES UPPER PISTON/VALVE, SHAFT) – REVERB AXS B1+ (2026+)
Compatible With
SP-RVB-AXS-B1

Use only SRAM parts with SRAM components. Installation of parts and accessories not originally intended could result in less than optimal performance and/or injury. For in-depth service information on SRAM products, refer to our website at www.sram.com/service. Information contained on SRAM Connect is subject to change at any time without prior notice.