MTB Bike Bottom bracket set Sealed Bearing Thread Type 68 73mm BSA68 BB91 Shell 24mm spline Axis Mountain Bike Bottom bracket

Description

Thread Type Bottom Bracket:

Bicycle bottom bracket has fine workmanship and clear thread, different parts connect closely.It is fit for the thread of 1.37 with an inner diameter of 24mm0.9 inch.
Reducing Sealing Resistance:

The design of the end cover using groove-seal technology has greatly changed the drainage and sealing while reducing sealing resistance and higher appearance.
Excellent Water Resistance:

Separated rubber washer,supports sliding clearance,resulting in no clearance action,prevent dust and moisture from entering bearing,excellent water resistance.
Bottom Brackets:

Our thread type bottom brackets are divided into left and right parts, R stands for right side, L stands for left side, please pay attention to the distinction when installing.

Suitable for screw-in five-way frame 68/71/73MM