A system includes a first fixation component, a second fixation component, and a first fastener. The first fixation component includes a first pivot structure including a first engagement surface and a first engagement feature, and can support one or more first clamping devices that secure bone pins inserted within a first bone. The second fixation component includes a second pivot structure including a second engagement surface configured to engage the first engagement surface, and is configured to support one or more second clamping devices that secure bone pins inserted within a second bone. The first fastener is configured to couple the first pivot structure to the second pivot structure and includes a first fastening element including a second engagement feature configured to engage the first engagement feature to maintain a first angle between a first axis of the first fixation element and a second axis of the second fixation element.
