Real Design Crankcase 117.5mm 68/73mm Adjustable Square Taper Bottom Bracket NOS

New Old Stock.

Adjustable bottom bracket for fine tuning chainline. Works with 68 or 73mm bb shells. 

• Square Taper
• 117.5mm spindle 
• Cromoly spindle 
• 1.37x24t threading / BSA
• Sealed bearings