Stolen Mid to American BB Cups

- Features: Our American BB cups allow you to use any sealed MID BB (19, 22 or 24mm) in any American bottom bracket frame. If you have a frame with an American BB shell, Buy a MID BB like our Savage or Revolver, press the bearings into the cups and the cups into your frame.If you are upgrading from a loose ball system you will also need this 8-Spline spindle.

- Material: 6061 T-6 Aluminum Alloy.

- Bearing size: MID.

- BB shell size: American.

- Color: Anodized Black.

- Weight: 2.0 oz. (56.7g.).