Feature●1 x brake drum for AL-KO wheel brake type 2051 (200 x 50).●With pressed-in compact bearing 39/72/37 - inner diameter: 39 mm, outer diameter: 72 mm, bearing height: 37 mm)●Cast number of your brake drum (can be read from the outside) 581063●5-hole wheel connection // LK 112x5 - ALKO reference number 573193Description 1 x brake drum for AL-KO wheel brake type 2051 (200 x 50) with pressed compact bearing 39/72/37 inner diameter: 39 mm, outer diameter: 72 mm, bearing height: 37 mm) cast number of your brake drum (readable from the outside) 581063 5 - hole wheel connection // LK 112x5 ALKO reference number 573193