HK-4525 Shaft Kit (6mm 35mm)The Scorpion HK 4525 & HKII 4525 motors are built with 10mm hardened steel shafts that will last through countless hours of flying fun, but occasionally, on a "Less than Perfect" landing, you may bend or break one. For these occasions, we offer factory replacement shafts for all the HK 4525 & HKII 4525 series Scorpion Helicopter Motors. The shaft for the HK 4525 & HKII 4525 series motors measures 10mm in diameter, and is 91. 5mm in long. The pinion

2 x 131-66

●Metal washout control arm x 2

High quality swashplate heim ball/ball bearing by original SKF

●600E PRO Feathering shaft x 1

●250 DFC Main Rotor Grip Linkage Bearing Sleeve x 2

Operating Frequency 760us/333Hz

which guarantees high concentricity and avoids vibrations

RC quadcopter

The new AZ Tail Blades will unleash the full potential of your helicopter

•Motor Pinion（1PSC）

Root Size: 3mm

The latest innovation from Scorpion