The BC 280 Code in the new TRELOCK design is, like all TRELOCK chain locks, flexible and easy to use. Locking the bicycle to a stationary object is very comfortable. The 4-digit code can be set easily and individually. The 5 mm thick chain links are made of hardened steel and are covered with a resistant textile sleeve. Dimensions: 85 cm / ø5mm / 690 g Corrosion protection Freely settable code Soft and resistant textile sleeve Security Level 2 of 6 -Antipick