Product Highlights
Precise Fit: Designed specifically for 12mm front wheel hub motor shafts, featuring standard M12×1.25 fine threads, widely applicable to the front wheel installation of 250W-500W electric bicycles, electric scooters, and small electric motorcycles.
Three-in-One Protection: Includes a lock nut, anti-loosening washer, and rubber dust cover, solving common problems such as loose nuts, shaft end corrosion, and dust ingress in one go, improving overall vehicle safety and lifespan.
High-Strength Material: The nut is made of 45# steel, cold-forged in one piece, with a tensile strength of 12.9 grade and a zinc-nickel plating layer for excellent rust resistance; the rubber cover is made of oil-resistant NBR material, resistant to high temperatures and aging.
Quick Installation & Removal: No professional tools required; installation can be completed with just a 17mm open-end wrench, upgrading in 10 seconds, suitable for individual DIY or bulk use in repair shops.
Universal Compatibility: Suitable for mainstream brands such as Xiaomi, Ninebot, Hilop, Gotrax, and Hiboy, 10-14 inch front wheel sets, offering strong compatibility.
Kit Details:
High-strength steel locknut ×2
Anti-slip washer ×2
Washer ×2
NBR rubber dust cover ×2
Technical Specifications:
Thread Specification: M12×1.25 (fine thread)
Across Flats: 17 mm (universal wrench)
Temperature Range: -40℃ ~ +120℃
Rust Resistance: Neutral salt spray 72 h
Recommended Torque: 18-22 N·m (maximum not exceeding 25 N·m)
Installation Steps:
Remove the old nut and clean the motor shaft threads.
Install the serrated washer in sequence → Tighten the new nut to the specified torque.
Attach the rubber dust cover and press firmly.
Usage and Maintenance Recommendations:
Check the nut tightness every 3 months and maintain the appropriate torque.
After washing the car, it is recommended to dry the shaft end and check the rubber cap seal to extend the rust-proof life.
This kit can be reused when replacing the motor or reselling the vehicle, increasing its resale value.