Fivedigit code security and durable construction designed for cyclists Secure fivedigit code system: a fivedigit combination provides 100,000 possible codes, greatly enhancing security against theft while you ride. Zinc alloy lock head: built from wearresistant zinc alloy for heavy use and tamper resistance, delivering longterm reliability for cyclists. Reinforced steel cable: a thick 12 mm steel cable offers strength and durability, making it nearly impossible to cut or break. Key benefits Strong protection with a large code space that reduces the chance of accidental or opportunistic theft. Durable components designed to endure regular cycling use and resist tampering. strength cable construction provides robust resistance to cutting attempts. Specifications in practice Function: fivedigit combination lock for bicycles. Material: zinc alloy lock head; reinforced steel cable. Cable diameter: 12 mm. Security level: due to the combination code and thick steel cable. Compatibility: suitable for securing bikes in various public and private locations. Use scenarios Urban commuting: secure your bike at transit hubs, storefronts, or public bike racks during short stops or errands. Campus or workplace: leave your bike secured during classes, breaks, or shifts without needing a key. Leisure and travel: park and lock your bike at cafes, parks, or trailheads during breaks on a ride or weekend outing.