Save your beloved woombike in a matter of seconds with our woom chain lock. There is no key needed, just choose a numeric code with 4 digits. We chose a bright red to discourage thieves!

• 24inch (61 cm) chain length 
• 24 inch (6 mm) chain thickness
• Hardened steel
• Security level 8
• Numeric code with 4 digits
• Abrasion-resistant fabric sleeve protects the paint of the bicycle

1. The initial number is "0000" 
2. Turn the Reset Button 90°
3. Select your favorite number
4. Turn back the Reset Button (Note: If you want to change the number, repeat step 1-3)