Brand Name: GTB Origin: China Tool Supplies: GTBRacing Material: 7075-T6 Upgrade Parts/Accessories: Losi Hammer Rey U4 RC Parts & Accs: Losi Hammer Rey U4 Remote Control Peripherals/Devices: Losi Hammer Rey U4 For Vehicle Type: Losi Hammer Rey U4 Four-wheel Drive Attributes: Losi Hammer Rey U4 GTB Racing CNC Aluminum Caliper ,Brake Disc for 1/10 RC Car Losi Hammer Rey U4 Upgrade Part (2pcs/set)Material:CNC Aluminum 6061-T6CNC Machining processing