Problem Solvers BB30/PressFit 30. These adapters kit allow for the use of external bottom bracket crankarms (24mm spindles) with BB30 and PressFit 30 bottom bracket bearings. Spacers fill the gap between the 30mm ID of the bearings and the 24mm OD of the spindle. Included spacers allow for fine tuning of chainline and bearing load.

• Includes crankset-specific spacers to fine tune adjustments for Shimano Hollowtech II, Race Face X-Type, and FSA MegaExo
• Adapts BB30 & PressFit 30 bottom bracket bearings for use with 24mm spindle cranksets
• GXP Spacer Kit sold separately 
• Compatible with road and mountain (68/73mm) bottom bracket shells