Specifications:

• Use: Mountain Bikes
• Model Number: BB91 Bicycle Bottom Bracket Sealed Bearing Thread
• Material: Alloy
• Feature 5: For BSA68 Shell 24mm spline Axis MTB Road Bike
• Feature 4: Bicycle Axis MTB Road Bike Bottom Bracket
• Feature 3: For Parts Prowheel 24mm Crankset
• Feature 2: BB91 External Bearing Bottom Brackets
• Feature 1: BB91 Bearing Bottom Bracket Screw Type 68/73 mm