Sturdy Material: Utilizing a long, 8-section chain with anti-theft, anti-break, and anti-cut capabilities, ensuring unparalleled security for your bikes. Durable Security: Wrapped in ABS rubber paint, this folding bike lock provides rustproof protection for your valuables in all weather conditions. Easy to Install: The versatile folding bike lock can be folded compactly for easy storage and attaches effortlessly to your bike's frame tube for maximum security. Keep Your Wheels Secure: Easily set a 4-digit combination lock. This lock not only keeps your bikes more secure but also eliminates the worry of lost keys, ensuring access is always within reach. Wide Application: Suitable for road bikes, mountain bikes, folding bikes, etc., this lock is an excellent choice for park rides and leisurely outings, widely used and reliable.