ITEM NAME:15-ZJ06 Complete Differential Mechanism Spare Parts For S911/S912 RC Car J JR Specifications: 1. Material: ABS + metal 2. Colour: Black 3. Applicable for: S911 / S912 remote control car accessories 4. Function: Change the speed 5. Product size: Maximum diameter 2.9cm/ 1.14in, length 4.5cm/ 1.77in 6. Package Included:1pcs.Function: Change the speed.
