This is an optional Synergy E5/E7SE Helical 15 Tooth Pinion Gear. This pinion is compatible with the E7SE main gear SYN-310-121 and E5 main gear SYN-305-119, and directly compatible with the 766.
This is the updated hard coated pinion gear. The older, non hardcoated, pinion was part SYN-305-015.
This product was added to our catalog on October 9, 2013