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M12 M14 M16 E-Bike Hub Motor Nuts Screws with Dust Cap Flange Nut Locking Washer – High Strength Fasteners for Electric Bicycle Motor Axle, Front & Rear Wheel Hardware Kit - Image 1
M12 M14 M16 E-Bike Hub Motor Nuts Screws with Dust Cap Flange Nut Locking Washer – High Strength Fasteners for Electric Bicycle Motor Axle, Front & Rear Wheel Hardware Kit - Image 2
M12 M14 M16 E-Bike Hub Motor Nuts Screws with Dust Cap Flange Nut Locking Washer – High Strength Fasteners for Electric Bicycle Motor Axle, Front & Rear Wheel Hardware Kit - Image 3
M12 M14 M16 E-Bike Hub Motor Nuts Screws with Dust Cap Flange Nut Locking Washer – High Strength Fasteners for Electric Bicycle Motor Axle, Front & Rear Wheel Hardware Kit - Image 4
M12 M14 M16 E-Bike Hub Motor Nuts Screws with Dust Cap Flange Nut Locking Washer – High Strength Fasteners for Electric Bicycle Motor Axle, Front & Rear Wheel Hardware Kit - Thumbnail Image 1
M12 M14 M16 E-Bike Hub Motor Nuts Screws with Dust Cap Flange Nut Locking Washer – High Strength Fasteners for Electric Bicycle Motor Axle, Front & Rear Wheel Hardware Kit - Thumbnail Image 2
M12 M14 M16 E-Bike Hub Motor Nuts Screws with Dust Cap Flange Nut Locking Washer – High Strength Fasteners for Electric Bicycle Motor Axle, Front & Rear Wheel Hardware Kit - Thumbnail Image 3
M12 M14 M16 E-Bike Hub Motor Nuts Screws with Dust Cap Flange Nut Locking Washer – High Strength Fasteners for Electric Bicycle Motor Axle, Front & Rear Wheel Hardware Kit - Thumbnail Image 4

M12 M14 M16 E-Bike Hub Motor Nuts Screws with Dust Cap Flange Nut Locking Washer – High Strength Fasteners for Electric Bicycle Motor Axle, Front & Rear Wheel Hardware Kit

High strength M12 M14 M16 e-bike hub motor axle nuts set with dust caps, flange hex nuts and locking washers. Universal fit for most electric bicycle front & rear hub motors, anti-loosening design for secure, long-lasting axle fastening.

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Universal M12 M14 M16 E-Bike Hub Motor Nuts Screws Set – High Strength Axle Fasteners with Dust Cap & Locking Washer

This professional hub motor nut kit is a universal replacement hardware set designed for the front and rear axle of most electric bicycle hub motors. Each size includes flange hex nuts, protective dust caps and matching washers, engineered to lock the motor axle securely, prevent loosening from vibration, and shield the axle end from dust, water and rust for long-term riding reliability.

Size Options

✅ M12 Hub Motor Nut Kit

✅ M14 Hub Motor Nut Kit

✅ M16 Hub Motor Nut Kit

Precise Specifications (Per Size)

ParameterValue
Thread SizeM12 / M14 / M16
Flange Hex Nut MaterialHigh-strength Steel
Dust Cap MaterialDurable Plastic (Black)
Washer TypeLocking / Flat Washer with Positioning Notch
Nut TypeFlange Hex Nut (Wide Contact Surface)
Surface TreatmentCorrosion-resistant Finish
Package ContentFlange nuts + dust caps + washers (2 sets per size)
ApplicationE-bike hub motor front & rear axle fastening
FitUniversal, compatible with most electric bicycle hub motors

Key Features

✅ High-strength Steel Construction: Flange hex nuts built from hardened steel resist high torque and heavy loads, delivering firm axle fastening under continuous motor power and road vibration.
✅ Anti-loosening Locking Washer: Each nut pairs with a locking washer featuring a positioning notch to prevent axial rotation and loosening, keeping the wheel secure on bumpy roads and high-speed riding.
✅ Protective Dust Cap: The black plastic cap covers the axle end and nut, keeping out dust, mud and moisture, and reducing rust and corrosion that shorten fastener life.
✅ Flange Design for Larger Contact Area: The wide flange hex nut distributes clamping force evenly over the motor axle surface, reducing stress concentration and slippage for a more stable wheel mount.
✅ Universal Fit: Available in M12, M14 and M16 to cover the most common e-bike hub motor axle thread sizes; works for both front and rear wheel motors.
✅ Complete Ready-to-install Kit: Each size comes as a full set of nuts, caps and washers, so you have everything needed for a direct axle replacement without hunting for extra parts.

Package Includes (Per Size)

2 × Flange Hex Nuts

2 × Protective Dust Caps

2 × Locking / Flat Washers

(2 complete sets for one front & rear wheel motor axle)

Important Notes

Please confirm your hub motor axle thread size (M12 / M14 / M16) before ordering to ensure correct fit.
Allow measurement tolerance of ±1 mm.
Color and surface finish may vary slightly due to lighting and screen display.
Only the listed nuts, caps and washers are included; other accessories shown in reference images are not part of the package.
Ideal for e-bike repair shops, DIY motor rebuilders and ebike wholesale distributors. A cost-effective hardware kit to fix loose hub motor axles, eliminate wheel wobble and restore stable, safe riding.
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We have been sourcing e‑bike components from them for over one year. Product quality is consistent, and their responsive after‑sales support makes our daily shop‑running much easier. Highly recommended.

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Frequently Asked Questions

We supply genuine OEM parts and premium compatible aftermarket replacement parts for e-bikes, including motor components, controllers, throttles, PAS sensors, wiring harnesses, connectors and Bosch form-factor batteries.

We serve mainstream drive system manufacturers: Ananda, Bafang, Aikema, Tongsheng, Shengyi, Bosch and more. We also provide repair components for complete e-bike brands including Sur‑Ron, Aventon, Trek and many others.

All items are brand-new and inspected before shipment. We do not supply second-hand or refurbished goods.

Our team verifies compatibility according to your bike model, motor info or original part photos. We confirm available OEM parts or recommend workable alternative solutions.

Yes. Flexible order sizes are supported, ranging from single spare parts to bulk purchases.

Sea freight, air freight and rail transport are optional.

Lead time varies by item and shipping mode. We confirm exact timelines before each order and share tracking updates.

We provide part identification, model matching and full order follow-up support.