Sram:
SEATPOST INNER BASE ASSEMBLY - (INCLUDES INNER BASE, ELECTRONIC CONTACTS, FIXING PINS, AND SAFETY CAP) - 30.9/31.6MM - 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.