MISSION AMERICAN BB Cups Tretlager

Replacement aluminum American bottom bracket cups designed for sealed bearings in 19 mm, 22 mm, and 24 mm sizes.

American-style bottom bracket cups.

Key Features

• American-style bottom bracket cups
• 6061-T6 aluminum construction
• Press-Fit Design for secure installation

Specifications

• BB Type: American
• Bearings: 19 mm, 22 mm, and 24 mm
• Material: 6061-T6 Aluminum
• Weight: 4.0 oz