Team Losi Racing 48 Pitch HDS Kevlar Spur Gears are designed to provide a durable and reliable option for fine tuning your model’s gear ratio. Available in multiple tooth count options, these spur gears allow you to adjust your gearing to match your preferred setup. They can also be used as an optional upgrade for first generation 22, 22T, and 22SCT vehicles. When installing these HDS spur gears on first generation models, TLR232007 slipper pads are required.