Bottom Bracket Square Hole Crank Axis, Middle Mountain Center Shaft

Integrated System: The integrated system design of this bottom bracket helps in protecting your frame from stress. The bike parts facilitates more direct power output compared to some ordinary structures, allowing for efficient energy transfer with each pedal stroke.
Seamless Installation: The steel shell of our bottom bracket absorbs roundness tolerance, allowing for easy and installation of Bracket Bottom ports. Experience a hassle- installation process without compromising on fit and stability.
Repair Parts: This square tapered spindle crank is a fundamental bike part for drive system assembly and repair. The bottom bracket is engineered for a fit in standard 68mm frame shells, providing a solid foundation for your crankset.
Multi-scenario application: Our bottom bracket serves as a versatile fixing accessory for both road bikes and mountain. This square hole axis is compatible with a wide range of square taper cranks, making it a practical solution for various repair.
Package Contents: The steel shell of our bottom bracket absorbs roundness tolerance, allowing for easy and installation of bracket bottom ports. Experience a hassle- installation process without compromising on fit and stability

What's in the box
1 x Bottom Brackets