Maximum security The lock uses a four-digit password with up to 10,000 possible combinations. This design enhances anti theft protection and helps keep your bicycle securely locked when parked. Easy portability Designed for easy installation on your bike without adding burden to the frame. The lock has a lightweight lock body for comfortable carrying and convenient use by cyclists. Strong material Constructed from high strength steel wire and a sturdy housing, the lock resists break in attempts by various destructive tools. User friendly password control The password set and reset process is efficient, allowing you to customize your code as needed without tools for added convenience. Use scenarios Urban commuting Lock your bicycle at work, at transit stations, or in city bike racks to deter theft while you run errands or commute. Campus or library visits Secure your bike between classes or in busy campus areas where locking opportunities are frequent but spaces may be crowded. Travel and shopping Park your bike at shopping centers, airports, or tourist attractions during trips or daily outings, keeping your ride protected while you explore. Key attributes Function: four digit password with up to 10,000 combinations for reliable anti theft protection Compatibility: designed for bicycles, with no frame burden during installation Size and weight: lightweight lock body for easy portability Material: high strength steel wire and sturdy housing Performance: user friendly password set and reset process that requires no tools Notes This description preserves the original product features and functions, focusing on practical benefits and clear, actionable guidance for use.