* New Super Light ACB bearing with alloy housing
* Inexpensive weight-reducing upgrade for any bike
* 45°Ã45°, 36°Ã45° versions available
* 25% weight saving over steel bearing
* Outside Diameter: 51.8mm
* Inside Diameter: 40.0mm
* Height: 8.0mm
* Inside Angle: 36°
* Outside Angle: 45°