Features:- Design Specification: Based on IFMAR/ROAR/BRCA Rule- Motor Dimensions (Diameter x Length) ~35.8mm x 51mm - Shaft Diameter: ~3.17mm- Magnet Dimensions (Diameter x Length): 12.35mm x 24mm(3.5turn~9.5turn), 12.3mm x 24mm(10.5turn~17.5turn)- Variable Endbell with changing the peformance of the motor on output power and torque - Weight: ~165g - Recommended RC Model Car: 1:10, MINI Car