Spur Gear, 45T, Mod 1 (2): All 1/10 4WD (ECX232019)
ECX Spur Gear, 45T, Mod 1 (2): All 1/10 4WD ECX232019 is compatible with ECX03011, ECX03012, ECX03013, ECX03016, ECX03017, ECX03041, ECX03042, ECX03043, ECX03242T1, ECX03242T2, ECX03243T1, ECX03243T2