SD Bottom press fit BB386

The SD BB386 Bottom Bracket is a high-performance press-fit bottom bracket engineered for BMX race and performance applications requiring maximum stiffness, smooth bearing performance, and compatibility with both 24mm and 30mm spindle cranksets.

Designed for BB386 press-fit frames with a 46mm internal diameter and 86mm shell width, the SD BB386 allows riders to run a wide range of modern cranksets while maintaining efficient power transfer and reliable durability.

Machined from lightweight 7075 aluminum and equipped with high-quality 6805-2RS sealed bearings, the system delivers smooth operation and long-lasting performance under demanding race conditions.

Specifications:

• Bottom Bracket Type:
  • BB386
• Installation:
  • Press-Fit
• Material:
  • 7075 Aluminum
• Axle Compatibility:
  • 24mm
  • 30mm
• Inner Frame Diameter:
  • 46mm
• Shell Width:
  • 86mm
• Bearings:
  • 6805-2RS Sealed Bearings
• Weight:
  • 116g

Features:

• Compatible with 24mm and 30mm spindle cranksets
• Designed for BB386 press-fit frames
• Precision-machined 7075 aluminum construction
• Smooth sealed bearing performance
• Lightweight and race-ready design
• Optimized stiffness and power transfer
• Requires bottom bracket press for installation

Benefits:

• Excellent drivetrain efficiency
• Broad crank compatibility
• Lightweight yet durable construction
• Smooth rolling performance
• Reliable under high race loads

The SD BB386 Bottom Bracket is an ideal solution for riders seeking a lightweight, durable, and versatile bottom bracket system for modern BMX race frames and high-performance cranksets.