The Fusion Alloy Flat Compression Plug delivers reliable performance for your carbon steerer tube setup. Its innovative 3-piece expander design grips securely within tubes sized 22-25mm, while the 50mm height provides essential reinforcement where your stem meets the fork. The new geometry distributes headset compression forces evenly, reducing stress on delicate carbon components. Built from lightweight AL6061 alloy with a stainless steel bolt, this low-profile top cap combines durability with minimal weight. A straightforward upgrade that protects your fork investment. FEATURES: 3-piece expander design provides a secure fit within carbon steerer tubes Low profile alloy top cap included Ø22-25mm range of expansion 50mm height reinforces carbon steerer tube beneath the stem New design evenly distributes headset compression forces Lightweight AL6061 alloy construction Stainless steel bolt SPECS Color : Black Steerer OD : 1-1/8" Size : 50mm