Which parts are needed to change BoXXer’s travel? Changing BoXXer’s travel requires a new air spring shaft, which is available to purchase aftermarket. Related articles Why are there lines on BoXXer’s upper tubes? Does 2024 BoXXer have different crown heights available? What makes the new DebonAir+ so special? What is the range of adjustability on Charger 3? What’s the difference between Vivid Ultimate, Vivid Select+, Vivid Select, and Vivid base models?