The Max 15257-2rs ball bearing from Black Bearing is specifically designed to meet the demands of mountain bike frames. It offers outstanding mechanical strength and is ideal for the pivot points of frame swingarms. The construction with an increased number of balls provides approximately 40% higher strength compared to conventional bearings. These bearings are precisely manufactured and assembled to ensure optimal performance. They are exclusively designed for frame pivot joints and should not be used in other applications such as wheels or pedals. The BlackBearing MAX bearings are fully compatible and can replace the original bearings in your mountain bike frame.

• Increased mechanical strength for mountain bike frames
• Optimal adaptation to slow movements at frame swingarms
• 40% higher strength compared to traditional bearings
• Precise manufacturing and assembly for maximum performance.