This is a resettable combination lock you can reset the combination as often as you like Bike combination locks use a preset 5-digit preset combination so there are no keys to lose or misplace The bike lock coils easily which means it won't take up much space So the bike lock can be stored under the bike seat or when it is not in use Features Diameter 1/2 inch (12 mm) with vinyl shell length 4 feet (1200 mm) Color black blue green Scope motorcycles electric cars bicycles iron sliding door glass door etc Lock Cable Material High-quality Stainless Steel & PVC Coating Wrapping High temperature resistance no cracking no deformation Standard grade in line with modern environmental requirements Comprehensive anti-saw anti-drill cylinder Package List 1 x Bike Cable Lock 1 x Mounting Bracket How to set your own password？ Step 1 Set the default combination "00000" at the line with two bumps to open the lock Step 2 Rotate the "RESET" knob 90 degrees right Step 3 Turn the dials to set your new personal combination such as "00009" Step 4 Rotate the "RESET" knob 90 degrees left to the original position