RC ERA C138 Rotor Head Housing (Hub) — OEM Replacement

Restore tight rotor geometry and smooth tracking on your C138 with this genuine Rotor Head Housing (hub). Factory tolerances reduce wobble and vibration for steadier hover and precise control.

Key Features

• OEM-spec hub for accurate blade grip alignment and reduced slop

• Improves blade tracking, hover stability, and forward-flight precision

• Durable, lightweight construction to minimize vibration and noise

• Ideal for crash repair and periodic maintenance

Compatibility

Purpose-built for the C138 platform, fully compatible with:
👉 RC ERA C138 6CH RC Helicopter with Gyro & Optical-Flow Positioning (Red/Blue)

Not universal—recommended only for the C138 series.

What’s in the Pack

• 1 × Rotor Head Housing (hub) for the C138 head assembly

• Blade grips, feathering shaft, screws, or bearings are included only if shown in photos; otherwise reuse originals.

When to Replace

• Persistent head wobble or vibration after crashes

• Off-tracking blades despite correct linkage lengths

• Visible cracks, ovalized bores, or excessive play at the grip pivots

Installation & Setup Tips

• Power off & remove the battery before service

• Inspect feathering shaft, bearings, and screws; replace worn parts together

• Tighten both sides of the feathering shaft evenly; verify free, smooth rotation

• Level the swash and perform a low-hover tracking check after assembly

More C138 Spare Parts

Need main blades, tail blades, main gear, skids, shafts, or servos?
👉 Explore the collection: C138 Spare Parts Collection