RC ERA C138 Pro — Main Shaft Set (Vertical Main Shaft)

Restore True Tracking & Smooth Head Speed

Genuine RC ERA C138 Pro main shaft set to replace a bent or worn vertical shaft. A straight main shaft is essential for stable hover, even blade tracking, and quiet power. Ideal after hard landings or gear strikes. Ships worldwide.

• Factory-spec vertical main shaft for precise fit on the C138 Pro
• Hardened material resists bending and reduces vibration
• Includes collars/retainers and hardware as shown
• Direct swap with standard tools — install in minutes

When to Replace

• Visible wobble of the rotor head or uneven blade tracking
• Vibration after a crash; shaft fails the “glass roll” straightness test
• Main gear mesh feels inconsistent or noisy

Compatibility

Designed for the RC ERA C138 Pro 6CH Brushless Police RC Helicopter only.
Full model page (specs & photos):
https://kadstoylover.com/products/rc-era-c138-pro-6ch-brushless-police-rc-helicopter-with-optical-flow-led-lights

What’s in the Box

• Vertical main shaft (1)
• Collars/retainers & screws (as pictured)

Install Tips

• Check bearings; replace if rough to maintain perfect alignment
• Set collar height so the main gear meshes smoothly with minimal backlash
• Spin by hand before powering on to confirm no high spots or rubbing

Support & Warranty

• Expert help to choose the right C138 Pro spare parts
• 3-month warranty on manufacturing defects
• Ships worldwide

Other Related Parts

Need gears, blades, feathering shaft, servos, LEDs, or batteries? Browse the full C138 Pro spare parts collection:
https://kadstoylover.com/collections/rc-era-c138-pro-spare-parts-accessories