5PCS 32DP 5mm 13T 14T 15T 16T 17T Motor Gear Combo Set for 1/8 RC Car Brushed Brushless Motor 015 8 1 100 15 6

8 1 100 15 6

so that it is convenient to remove and replace）But please rest assured that this is a normal phenomenon

Remote control battery: 4*AA battery( not included)

Please understand

Racerstar 2507 BR2507S Green Edition 1800KV 2400KV 2700KV Brushless Motor For 250-300mm RC Drone FPV Racing Frame Kit

5PCS 32DP 5mm 13T 14T 15T 16T 17T Motor Gear Combo Set for 1/8 RC Car Brushed Brushless Motor 015 8 1 100 15 6Description: Teeth: 13T 14T 15T 16T 17T Suitable shaft diameter: 5mm Material: Steel Color: Black Weight: 45g(5pcs,with packaging) Package included: 5X 13T 14T 15T 16T 17T Motor Gear(included 1 x 32DP 13T Motor Pinion Gear,1 x 32DP 14T Motor Pinion Gear,1 x 32DP 14T Motor Pinion Gear,1 x 32DP 16T Motor Pinion Gear,1 x 32DP 17T Motor Pinion Gear)