VERY GOOD BRAKING PERFORMANCE - The balanced number of openings on the brake ring ensures good braking performance in different weather conditions. Due to the shape and the number of openings, this brake disc is compatible with all types of disc brake pads (organic, semi-metallic, sintered). LONG DURABILITY - The balanced number of openings on the brake ring and their round shape make the brake disc extremely durable and reduce disc brake pad wear. Product specifications: outer diameter bicycle brake disc: 160mm; Center to center distance: 44mm; Thickness: 1.8mm; Number of holes: 6; Screw size: M5*12mm. Usage: This bicycle brake disc has good braking performance and is suitable for most bicycles, such as racing bike, mountain bike, cycling, etc. HIGH-QUALITY STAINLESS STEEL ALLOY - Due to the balanced ratio of steel and nickel additives, the brake disc is protected from rust and is characterized by high stability.