There are locks and then there is the Ultimate 420. If you are looking for a shackle lock that will deter potential thieves just by looking at it, then you don't have to look far. Thirteen millimetres of hardened special steel make it immediately clear to any bicycle thief that they have no chance here.

At the same time, the Ultimate 420 is so compact that you can easily stow it away. It finds its place in every backpack and bag and is therefore always with you when you need to secure your valuable bicycle.

• Key lock
• Coated to prevent scratches
• 230 mm long and 105mm wide
• Includes mount for easy transport
• Hardened 13 mm round bracket
• Shackle, housing and supporting parts of the locking mechanism are made of specially hardened steel
• High-quality locking cylinder for high protection against manipulation, e.g. picking