Team Losi Racing 48 Pitch HDS Kevlar Spur Gears offer a durable solution for adjusting and optimizing the gear ratio of your model. With several tooth count options available, you can choose the gearing that best matches your setup and driving needs. These HDS spur gears are also compatible as an upgrade for first generation 22, 22T, and 22SCT vehicles. Installation on these models requires the use of TLR232007 slipper pads.