Description
Praxis has been making high precision. high-performance bottom brackets for years and this is no exception. Praxis provides a clean. smooth and even pedalling experience. This bottom bracket is for installing 30mm spindle cranks into 41mm press-fit (BB86. BB90. BB92) bottom bracket shells.
Style: The bearings are pressed directly into the BB shell. The outer bearing race is also the outer press-fit surface.
Shell Width: BB86 (road). and BB90 and BB92 MTB shells.
Spindle Size (Diameter): 30mm.
Spindle Length:
- Road spindle: 103mm or longer for BB86 road frame shells
- MTB spindle: 108mm or longer for BB90/92 MTB frame shells
Bearing Style: Unique steel cartridge bearing design in which the outer bearing race is also the outer press-fit surface.
Bearing cup material: The large 30mm spindle means that there is no room for bearing cups with a 41mm press-fit BB shell. This design presses the bearings directly into the BB shell with the aid of a retaining compound.
Tools Needed: Bottom bracket bearing press required for installation.
Crank compatibility: Praxis provides 2mm dust covers for each side as a base setup. but every brand has its own specific crank setup. You may need additional spacers depending on your brand of cranks. So please follow your brand’s instructions.
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