The Wheels Manufacturing 386EVO Thread-Together Bottom Bracket is designed for use with SRAM&';s DUB spindle cranks on bikes with a 386EVO bottom bracket shell. The bottom bracket features two high-quality, sealed ABEC-3 bearings, providing smooth and durable performance. The Thread-Together design allows for easy installation and maintenance without the need for special tools. The bottom bracket cups thread together, providing a secure fit and allowing for precise adjustments to be made. This bottom bracket is compatible with SRAM DUB spindle cranks and installs easily into the bottom bracket shell with no special tools required.