yuncheng.inc - Premium Parts Store

yuncheng.inc

Premium Parts • Quality Assurance • Fast Shipping

Ships from United States

Product Description

Seamless Axle Conversion
Instantly adapt 5/8" (15mm) bearings to fit 12mm mini bike axles without replacing bearings – saving significant time and effort.

Heavy-Duty Iron Construction
Forged from industrial-grade iron for superior load-bearing capacity and exceptional crush resistance under high pressure.

Precision Fit Guaranteed
Laser-calibrated 5/8" ID to 12mm OD design ensures zero wobble and perfect alignment with both axles and bearings.

Galvanized Rust Defense
Triple-layer zinc plating provides superior protection against corrosion, abrasion, and weather damage, delivering 3X longer lifespan in mud and wet conditions.

Ready-to-Install Kit
Includes 2 bushings – achieve professional-grade upgrades in just 10 minutes using basic tools.


Shipping Info

  • The item location is United States
  • Item will be shipped within 2-3 business days upon receipt of payment
  • Quality assurance on all products
  • Secure packaging for safe delivery

Customer Service

  • If you are satisfied with our products, please leave us a positive feedback
  • Please contact us before leaving negative/neutral feedback
  • We will respond to your email within 48 hours (excluding holidays)
  • Professional support team ready to help

Return Policy

30-Day Return

If you are unhappy with the condition of your item or changed your mind about it, simply send it back in new condition within 30 days of receiving your item.

Full Refund or Exchange

We will either send you another one or give you a full refund. Your satisfaction is our priority.

Easy Process

Contact us first - we're here to help! No complicated procedures, just straightforward customer service.

🔧 About Our Store

The main products of this shop are high-quality parts with quality assurance and affordable prices. You can be assured to buy from us!

🚲 Motorized Bicycle Parts
🏍️ Motorcycle Parts
🔧 Machine Tool Parts
Chainsaw & Lawnmower Parts
⏰ Working Time: Monday to Friday