The RockShox Reverb AXS B1 Inner Base is a genuine replacement component designed to restore smooth, reliable performance to your Reverb AXS dropper seatpost. Precision-engineered for the B1 generation, this internal base ensures consistent operation and long-term durability under demanding riding conditions. Key Features: OEM Replacement Part: Designed specifically for RockShox Reverb AXS B1 dropper seatposts. Precision-Machined Construction: Ensures proper fit and reliable internal performance. Restores Smooth Operation: Helps maintain consistent dropper function and responsiveness. Durable, Trail-Ready Design: Built to withstand repeated use and harsh riding environments. Service-Friendly Component: Ideal for maintenance, rebuilds, or performance restoration.