The AL-KO 1637 Brake Drum, part number 623750, is a genuine AL-KO replacement component designed for axles equipped with AL-KO 1637 wheel brakes. This high-quality brake drum features a 160mm drum diameter and accommodates a 37mm brake shoe width. It is engineered with a 4x100mm PCD (Pitch Circle Diameter) for wheel attachment and includes a durable compact bearing with dimensions 34/64/37mm for reliable performance. Ensure optimal braking efficiency and safety with this authentic AL-KO part.