General description The Avid BB5 disc brake is designed for mountain biking enthusiasts, featuring the innovative Tri-Align Caliper Positioning System™ for easy installation and adjustment. With tool-free pad replacement and a melt-forged body, these brakes provide durability and performance that may surprise you, as they feel more advanced than typical entry-level options. Technical specifications Model: Avid BB5 Type: Disc brake Body: Melt-forged Adjustment: Inboard pad adjustment knob