Abus Pro Amparo 4750S Frame Lock

Yes, the Pro Amparo 4750S is specifically designed with an extra-large aperture to accommodate wider tires, making it a great choice for mountain bikes or cruisers.

The key-retaining version holds your key in the lock while it is open, ensuring you cannot accidentally ride off without locking it. The non-key-retaining version allows you to remove the key while the lock is open, which is more convenient if you prefer to keep your key on a separate keychain.

On its own, a frame lock only immobilizes the rear wheel to prevent someone from riding away. However, this model features an accessory attachment point, allowing you to plug in a compatible Abus adapter chain or cable to secure your bike to a fixed object.

This lock is designed for low-to-medium theft risk scenarios, such as quick stops at a coffee shop or running errands. It is best used as a secondary security measure or for short-term parking, rather than as a primary lock for high-theft areas or overnight storage.

Installation is straightforward for most bikes with pre-drilled mounting holes on the frame. If your bike lacks these holes, you may need to purchase an additional mounting adapter to attach the lock securely.