- Threaded ABEC-3 bottom bracket for Fat Bike PF41 (BB121) and 24mm spindle diameter cranks
- Machined cups thread together for stability, increased bearing life, and simple installation and maintenance
- Frame must have a 41mm inner diameter, with a width of 121mm - If used on a shell with a 132mm width, the cups will overlap 3 threads max
- BB SET WMFG BB86 SHI 105-132 FAT ABEC3 BK
Center: BB86
Right: Shimano HTII 24mm
Overall Length: Alloy
Color: Black