FSA

RPM CrMo Bottom Bracket, ISIS - 68mm x 108mm

The FSA RPM CrMo Bottom Bracket is a dependable ISIS square-taper alternative for riders who want a solid, serviceable interface for compatible cranksets. With a 68mm shell fit and 108mm spindle length, it’s a practical choice for replacing a worn unit or dialing in crank clearance and chainline on builds that specify these dimensions.

• ISIS spindle interface - Designed for use with ISIS-drive cranksets for a secure, widely supported fit
• 68mm x 108mm sizing - Matches frames and crank setups that require a 68mm bottom bracket shell and 108mm spindle length
• Forged hollow CrMo spindle - Chromoly strength with a hollow design to balance durability and weight
• Forged aluminum cups - Corrosion-resistant cup material with the rigidity needed for consistent bearing support
• Drive-side cup lip - Added lip on the drive-side cup for a more positive cup profile during installation and service