Product Features

✔. [Maximum Security Protective Chain Lock]

Highly Tested Super Strong Anti theft Guard System Perfect for City Outdoor & Urban Cycling.

✔. [Pro Swiss Lock Cylinder Technology]

Fully enclosed design, anti-smashing and anti-drilling, 0.3-0.6 mm keys cannot be copied expect from ETOOK.

✔. [Heavy Duty Anti Theft Chain Lock]

Hardened Steel Anti-Theft Anti Cut Protection From Bolt, Cutter Drill & Saw Attacks. Solid & Tough Safety Gear for Motorcycles, E-Bikes (E Bikes)& Scooters.

✔. [Durable & Reliable & Easy to use]

Rust Resistant and UV Protected 900D nylon Cover Sleeve & Silicone Polymer Coated Components for Professional Bike Frame Protection. Hard Thief Deterrent Bicycle Accessory.

Product Demonstration Video

Product Information

Brand name: ETOOK
Model: ET-555
Three Size available: 75 cm/90 cm/110 cm
Weight: 1430 g/1630 g/1950 g
Material: 8 mm square chain (Special hardened)
Key: Copper-nickel alloy
Security level: 5/6

Our chain lock has two colored surface plating of zinc metal. One is silver color, one is gold color. They are the same plating of metal, only color different.

With a chain with a diameter of 8mm, the square can be 27% stronger than the round!