← BACK TO POSTS New Products Announcing the new Nitro Transmission Input Gear. MonsterMaxx Dec 8, 2002 1 min read Announcing the new Nitro Transmission Input Gear. This replaces the Traxxas 4992 and eliminates gear failures. ← PREVIOUS Introducing SuperMaxx UltraLite 7.5 Differentials. NEXT → Announcing Pullstart RB Engines.