This is Castle Creations 1721 2400kV Sensored 4-Pole Brushless Motor For 1/7 1/8 RC Onroad Drag Racing. Ideal for running up to 8s LiPo in 1:8 and 1:7 scale vehicles, the mechanical design boasts a stainless-steel sleeve to reinforce and strengthen the rotor for high RPM operation. Coupled with a massive 8mm stainless steel motor shaft, 8.0mm bullets and high strand, low resistance, silicone coated 8 gauge copper wire, the 1721-2400Kv will deliver massive power and maximum top end speed.
For: 1/7 1/8 RC Onroad Drag Racing
Input Voltage Range: Min: 4s LiPo / Max: 8s LiPo (33.6V)
Max. RPM: 90,000
Size: Diameter: 1.87” (47.6mm) at fins, 46mm at can.
Weight (w/wires): 816.4g (28.8oz)
Shaft Size: Length: 22mm / Diameter: 8mm
Mounting Hole Specifications: M3 and M4 @ 25.4mm (1")
Cooling Fan: N/A
Connectors: 8mm male bullets on 8 gauge wire
Castle Creations 1721 2400kV Sensored 4-Pole Brushless Motor (1 pc)