• 【4-Digit Security】Customizable 4-digit combination with 10000 possible codes effectively prevents brute-force unlocking and eliminates the hassle of carrying keys.
• 【High-Strength Steel Cable】Built with multi-strand braided steel wire and wrapped in anti-rust PVC material, offering strong tensile strength and wear resistance for outdoor use.
• 【Aluminum Alloy Lock Head】Zinc alloy lock core paired with an aluminum alloy shell provides pry resistance and a sturdy structure for all-around anti-theft protection.
• 【Mini Portable Design】Lightweight ring design fits comfortably in hand and easily slips into a cycling bag or pocket for hassle-free daily commuting.
• 【Multi-Scenario Use】Compatible with kids bikes, mountain bikes, road bikes, and e-bikes; supports daisy-chain extension to secure multiple items with one lock.

Specifications:

• Product Dimensions: 23.5mm x 9.5mm x 8mm
• Material: Steel Cable, PVC, Aluminum Alloy, ABS
• Password Digits: 4
• Compatible Models: Kids Bike, Mountain Bike, City Commuter Bike, Road Bike, E-Bike