VGEBY1 Bicycle Square Hole Axis, BSA Innenlager Quare Axis Bike Parts for Tapered Spindle Crank(68X127.5L)

[HIGH STRENGTH SHELL]: The steel shell of bicycle square hole axis can absorb roundness tolerance for installing ports of Bracket Bottom.Suitable for 68mm frame shell. [BSA-INTEGRATED DESIGN]: The bicycle square hole axis adopts integrated system can protect the frame, more power output, it's better than ordinary structure bottom bracket. [LONG SERVICE TIME]: The bicycle square hole axis is solid and durable with a long service time. Please use the BB tool to install and replace the bottom bracket for safety. [SMOOTH SURFACE]: The bicycle square hole axis has fine workmanship, small dimensional error, 2 Bearings precision thread design allows him to better connect with the arm of the bike. [SEALED BEARING]: The bicycle square hole axis has sealed cartridge bearing assembly - maintenance-free sealed cartridge keeps out dirt, mud, and water.