E‑bike Bafang Mid Motor Replacement Mounting Screws Lockring Nut Kit for M300 M400 M420 M500 M510 M560 M600 M620

✅ Multiple Variant Options: Choose correct hardware set for your exact Bafang M‑series mid motor.

✅ Complete Hardware Pack: Contains frame mounting bolts, lock nuts, torque‑marked lock ring and washers (parts vary per selected variant).

✅ Pre‑applied Blue Thread Locker: Anti‑vibration, avoids bolt loosening under high‑torque and rough‑terrain riding.

✅ Precision‑Machined Lock Ring: Torque marking for correct installation to fasten motor firmly into bottom‑bracket shell.

✅ High‑Strength Alloy‑Steel Material: Black anti‑corrosion coating for long‑term heavy‑duty service.

✅ Direct Replacement: Matches original factory dimension for corresponding M/G‑platform motor, for replacing lost, rusted or broken mounting fasteners.

Brand: Bafang

Product Name: M‑Series Mid‑Drive Motor Mounting Hardware Kit

Available Variants: Variant‑A(M420‑M600) / Variant‑B(M300‑M400) / Variant‑C(M620)

Material: High‑strength alloy steel

Package Contents: Mounting bolts, lock nuts, lock ring, washers (components differ by selected variant)

⚠️ Select correct variant before checkout! Hardware of each variant cannot cross‑use.

⚠️ Double‑check your motor commercial model and MM G‑XXXX code on motor nameplate. Wrong variant will result in fitting failure.

⚠️ Follow torque value marked on lock ring. Over‑tightening will damage threads.

⚠️ This listing only contains mounting hardware kit. Motor, bicycle frame, chainring and other drivetrain components are NOT included.

⚠️ Professional ebike mechanic installation is highly recommended.