This is an optional Arrma 57T HD Mod 0.8 Slipper Set, pre-built and ready to install in your BLX 4x4 BigRock, Granite, Senton and Typhon vehicles.
Features:
- Precision manufactured aluminum slipper hubs
- Durable composite 57T 0.8 module spur gear for reliable power handling capability
- Castellated slipper pads for assured location into spur gear
- Stainless steel slipper plate
- Supplied assembled and set, ready to install into your vehicle