Boot Slider Kit DAINESE Malleolus Magnesium 2024. This slider kit allows you to replace the malleoli sliders, which are placed in this area to protect the trunk structure and prevent irreparable damage from resting on the corners. The kit, consisting of right and left malleolus upper heel slider and complete with hex screws and wrench, therefore contains spare parts to allow the boots to be easily repaired and made durable. Compatible with Axial 2 and Axial 2 AIR.