Part #: TRA7040
This is a replacement Traxxas 48 Pitch, 26 Tooth Pinion Gear, and is intended for use with the Traxxas 1/16 Slash. This pinion gear has a 2.3mm Bore.
Traxxas 48P Pinion Gear w/2.3mm Bore 26T TRA7040 - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available.