Compatible with Older MOZA Wheelbases Designed to fit MOZA R16 and R21 wheelbases lacking front mounting holes, allowing effortless installation of the MOZA Multi-Function Stalks Broad Third-Party Wheelbase Support It works with most third-party wheelbases, expanding your setup options. Lightweight, Durable Design Crafted from high-strength, lightweight aluminum alloy with an integrated one-piece design for durability and performance