81543 - Spine Assy, MD180 K-Up 2023 and later*
Spine Assembly for 2023 and later* Kick-Up MirageDrive MD180.
*For 2023/22 and earlier see 81541* (only the "drum" (a flying "H" stamped in drum oval ) is different. 2023 on have "Round thread" cable holes and Flying "H" in drum oval. Pre 2022/23 drums have "slotted" cable/chain holes and no flying "H" stamped into drum oval (Plain/smooth - covered by Hobie Decal). Spine assembly itself is interchangeable. **EARLY CHAINS/CABLES WILL FIT "later" drum - or reuse existing drums!)