Team Associated Octalock 48P Spur Gear 78t
Note: Octalock spur gears are 100% backwards compatible to older models including (but not limited to): RC10B6.2, RC10B6.2D, RC10T6.1, RC10SC6.1, RC10B74, RC10B6 series, RC10B64 series, RC10B5 series, and RC10B4 series.