HK450Pro Belt 3D Practice

Spec:
HK450Pro Belt, Turnigy MG90S Cyclic servos, HKSS H50A ESC, GoTeck 9257 Rudder Servo, Spartan quark Gyro, Tarot 3800KV Brushless Motor. Throtle flat 90% pitch +- 11 5 minutes flight with 2200 25C Zippy Battrey.
Flight more than 60 times and everything is okay, no belt changed, No bearings changed, all pured hk450pro belt series.