* New Super Light ACB bearing with alloy housing
* Inexpensive weight-reducing upgrade for any bike
* 45°Ã45°, 36°Ã45° versions available
* 38% weight saving over steel bearings
* Outside Diameter: 41.8mm
* Inside Diameter: 31.0mm
* Height: 8.0mm
* Inside Angle: 45°
* Outside Angle: 45°