- Replacement fat bike bottom bracket with square taper chromoly spindle
- Sealed bearings
- Steel shell and cups
- 120 x 180mm length
- 1.37" x 24T english thread
- BB SET SUNLT FB52 120x180 SQ STL-CUP ENG SEALED BRG
Interface: ENG
Spindle Type: SQR JIS
Length: 180mm
Cup Material: Steel
