RCAWD Arrma 3s Upgrade Steel 57T 0.8Mod Spur Gear with Bearing ARA310945
FEATURES: 45# steel material ,more durable than original
Compatible with:
ARA4312V3 1/10 BIG ROCK 4X4 V3 3S BLX Brushless Monster Truck RTR, Black
ARA102723 1/10 BIG ROCK CREW CAB 3S BLX 4WD Brushless Monster Truck with Spektrum RTR
ARA102720 1/10 GRANITE 3S BLX 4WD Brushless Monster Truck with Spektrum RTR, Orange/Black
Package Include: