4Pcs 1/4" x 9 Ball Bike Crank Bearings Retainer for MTB BMX Kids Bike

⭐ Features

Keep your bike rolling smoothly with these 1/4" x 9 ball crank bearings. Designed with precision and made from high-quality stainless steel, these ball bearing retainers provide durability, stability, and smooth crank rotation for a wide variety of bikes.

Ideal for BMX, mountain bikes, kids’ bikes, cruisers, and low-speed bicycles, this 4-piece set ensures you always have reliable replacements on hand for maintenance or repair.

🔧 Key Technical Details

• Product: Bicycle Crank Bearing Retainer

• Size: 1/4 inch balls x 9 balls per retainer

• Quantity: 4 pieces

• Material: Stainless steel

• Type: Retainer style, pre-set for easy installation

🛠 Practical Design

• Retainer keeps balls evenly spaced for consistent movement

• Pre-assembled design simplifies crank and wheel maintenance

• Corrosion-resistant stainless steel ensures long life

• Lightweight and compact, easy to carry as spares

🚙 Vehicle-Specific Fit

• Suitable for:

  • BMX bikes

  • Mountain bikes (MTB)

  • Kids’ bikes

  • Low-speed bikes and cruisers

  • Beach cruisers and stretch bicycles

💡 Benefits
✅ Smooth crank rotation for better pedaling efficiency
🕒 Long-lasting with rust-resistant stainless steel
🏆 Perfect fit for common crank and axle assemblies

🔄 Compatibility

📌 Works with:

• Standard bicycle cranksets requiring 1/4" x 9 ball retainers

• BMX, MTB, cruiser, and kids’ bike bottom brackets
  ⚠️ Always measure your original bearings before ordering to confirm fit

📦 What’s Included

🛒 You’ll receive:

• 4x Stainless Steel 1/4" x 9 Ball Bearing Retainers

📏 Dimensions

📐 Specs:

• Ball Size: 1/4 inch

• Balls per Retainer: 9

• Quantity: 4 retainers

🪵 Materials

🏗️ Made from high-strength stainless steel
🔒 Resistant to rust, wear, and deformation under load

🛡 Warranty

📃 Quality tested for durability and performance

• Backed by seller guarantee

• Free returns if the bearings don’t fit your bike

🤝 Why Buy From Us

🚚 Fast shipping from 15 USA-based warehouses
👨‍👩‍👧 Customer service team of 200+ bike parts specialists
🎯 Secure packaging with real-time tracking
🔄 Free returns for a worry-free purchase
🌟 Trusted seller offering essential bicycle components