Traxxas Wide Ratio Set (1st Speed 26T/13T Input) RC Gear Set - 3974 dBoots Fortress MT If your existing brushed motor

If your existing brushed motor has worn brushes

The Koswork Tool Box with Partition Kit and Blue Parts Tray (KOS32112-2B) is a workshop / storage solution that organises your workspace and keeps your gear tidy

so fitment is precise and no modification is needed

Basic RC car hand tools for drivetrain disassembly and reassembly

Traxxas Wide Ratio Set (1st Speed 26T/13T Input) RC Gear Set - 3974 dBoots Fortress MT If your existing brushed motorThe Traxxas 3974 wide ratio gear set is a replacement transmission component featuring a 26T first speed gear and 13T input gear, designed for Traxxas models that use this gearing configuration. If your existing gears are worn, stripped, or damaged, TRX3974 restores your drivetrain to factory specification. The wide ratio setup spaces the gear steps further apart, which affects how the transmission steps through its range making this a functionally