Robinson Racing 8586 Fwd Gear Kit Steel:TMX 2.5 Robinson Racing Steel Forward Only Gear Kit for theT-Maxx 2.5Forward Only Hardened Steel Gear Kit for the Traxxas T-Maxx 2.5. This is installed in the transmission for durability. Constructed of hardened steel.One 26 tooth gear, steel spacer, aluminum drive adapter, attachment pin, and instruction sheet are included.Number of gear teeth: 26 Requires: Foward Primary Gear if using on new (2.5) T-Maxx versionImport