PRO+ Bike Bicycle Bottom Bracket Set 19mm Black | American Style Sealed Bearing Kit with Cups, Washers & Spacer Tube | Durable BMX, Cruiser, and Freestyle BB Replacement

★★★★★ 4.9 106 reviews

$34.99
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Management number 214547334 Release Date 2026/04/12 List Price $14.00 Model Number 214547334
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📌 Product Description: 📌 ✅ Set Includes: Complete PRO+ Aluminum Alloy Bottom Bracket Set with precision-sealed bearings, internal spacer tube, cone spacers, and washers. Designed for 19mm spindle and American BB shell compatibility. ✅ Premium Build Quality: Made from lightweight aluminum alloy, this bottom bracket offers corrosion resistance and superior strength-to-weight ratio. The sealed bearings ensure long-lasting smoothness, reducing friction and improving crank efficiency. ✅ Performance & Reliability: The sealed bearing design keeps out dirt and moisture, ensuring smooth pedal strokes in all weather conditions. Ideal for BMX, freestyle, mountain, and cruiser bikes that demand strong and responsive pedaling performance. ✅ Easy Installation: The complete kit makes installation straightforward — simply press in the bearings, insert the spacer, and secure with cone washers. Fits most 22.2mm crank arms, making it a perfect replacement or upgrade. ✅ Stylish & Functional: The sleek black anodized finish adds a professional look while the aluminum construction prevents rust and extends lifespan. Built to withstand daily rides, jumps, and street sessions. 🚲 Perfect For: Riders upgrading their BMX, MTB, or cruiser for smoother pedaling and better efficiency. 🎯 Why Choose PRO+ Bottom Bracket Set? Trusted PRO+ quality and LBC Cycle Inc. manufacturing. Complete installation kit — no extra parts required. Durable sealed bearings with long service life. Lightweight aluminum alloy construction for performance & style. Designed to fit 19mm spindles and American bottom bracket shells for universal compatibility.

  • 🔹 Precision 19mm Sealed Bearing System: Designed with high-quality sealed bearings, this PRO+ Bottom Bracket Set ensures smooth, quiet, and friction-free crank rotation. Perfect for BMX, MTB, and cruiser bikes, providing long-lasting performance even under tough riding conditions. 🛠️
  • 🔹 Durable Aluminum Alloy Construction: Crafted from lightweight yet strong aluminum alloy, this bottom bracket resists rust and corrosion while offering excellent rigidity and power transfer. Ideal for riders who value both performance and durability without adding extra weight. ⚙️
  • 🔹 Complete American Style Kit: Includes everything you need — 2 sealed bearings, bearing cups, spacers, washers, and internal tube. This complete BB kit simplifies installation and ensures a precise, secure fit on most American-style bottom bracket frames. 🔧
  • 🔹 Smooth Power Transfer & Low Maintenance: The precision-sealed bearing design reduces resistance and keeps dirt, moisture, and dust out. Experience effortless pedaling with minimal upkeep — perfect for both daily riders and performance cyclists. 💨
  • 🔹 Universal Fit & Sleek Black Finish: Engineered to fit most American BB shells, this black anodized finish bottom bracket adds a clean, professional look to your ride. Combines form and function for a stylish, performance-driven upgrade. 🖤
Size Bore: 19mm/.750
Color Black
Material Aluminum
Brand Name PRO+
Model Name US 21A
Manufacturer LBC CYCLE INC
Suggested Users unisex
Included Components 2x 19mm sealed bearings, 2x bearing cups, 1x internal spacer tube, 1x cone set, and multiple washers
Warranty Description Limited

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4.9 out of 5
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