4pcs 1/4x9 Ball Crank Bearings for Bike Bottom Bracket Stainless Steel

Description:

⭐ Features Maintain your bike’s performance with this set of 4 stainless steel crank bearings designed for bottom bracket replacements. Each bearing includes 9 precision 1/4 inch balls mounted in a durable retainer, ensuring a smooth, noise-free ride and long-lasting reliability.

🔧 Key technical details

• Quantity: 4 pieces

• Ball size: 1/4 inch (6mm)

• Ball count per bearing: 9

• Outer diameter: 29–30mm (1.14–1.18 in)

• Inner diameter: 16–18.2mm (0.63–0.72 in)

🛠 Practical design

• Easy replacement for worn crank bearings

• Smooth operation and minimal maintenance

• Ideal for DIY bike repair or professional use

🚙 Vehicle-specific fit Fits:

• Mountain bikes

• Low-speed bikes

• Various recreational and standard bicycles

💡 Benefits ✅ Reduces crank noise and friction
🕒 Extends the life of your bottom bracket
🏆 Built from rust-resistant 304 stainless steel

🔄 Compatibility 📌 Designed to fit most standard bike cranksets. Check your measurements before purchase.

📦 What’s Included

• 4 x Bottom bracket crank ball bearing mounts (9 balls each)

📏 Dimensions

• Outer diameter: 29–30mm (approx. 1.14–1.18 in)

• Inner diameter: 16–18.2mm (approx. 0.63–0.72 in)

• Ball diameter: 1/4 inch (6mm)

🪵 Materials 🏗️ High-quality 304 stainless steel
🔒 Corrosion and wear resistant for long-term use

🔀 Available Variations 🎨 Standard silver finish (no other variations available)

🛡 Warranty 📃 Backed by a satisfaction guarantee — reach out anytime for support.

🤝 Why Buy From Us 🚚 Fast delivery from 15 USA-based warehouses
👨‍👩‍👧 200+ team members providing expert support
🎯 Reliable and secure shipping process
🔄 Free returns if it doesn’t fit your bike
🌟 Trusted supplier of bicycle parts and repair accessories

Get smoother rides and reliable performance with this essential bearing set for your bike’s crank system!