This is the Replacement Pair of 14mm Snap Rings for the Gear Hub Assembly on the TRA T-Maxx 4WD Radio Control Monster Truck. These are extra snap rings for the gear hub assembly that is installed between the 1st and 2nd speed spur gears. Replaces damaged or worn snap rings Constructed of steel Two 14mm Snap Rings for the gear hub assembly for the TRA T-Maxx Installing on gear hub assembly (4986) JXS 12/06/00 ir/jl &