Simson Entry chain lock The Simson Entry Chain Lock is a very light and compact black chain lock weighing less than 600 grams and a textile cover to prevent damage to the frame. With a thickness of 6 mm and a length of 90 cm, the chain lock is compact and easy to carry. The integrated lock ensures optimum ease of use to safely lock the bike. Specifications: Color: black/red Chain material: steel Cover material: textile Length: 90 cm Thickness: 6 mm Weight: 590 grams Lock: keys Contents: 1 Chain lock 2 Keys