Rifarter 17mm Shackle Bike U Lock with 5ft Cable Bicycle U Lock with cable can withstand up to 12 tons of hydraulic shear, protecting the bicycle from theft. Convenient & Lightweight U-LOCK opening measures 2.66” x 5.8” Portable u-lock easily fits in many backpacks, bags, or pockets. Use the Rifarter ULOCK with cables, or with a secondary lock depending on the length of your stop and location. FEATURES Sturdy Made of alloy steel, with strong cutting resistance, able to withstand 12 tons of hydraulic shear. The u lock covered with silicone, can help to resist dust, dirt and scratching. Secure Lock Cylinder Zinc alloy lock core, complex structure, prevent being pry open. Mounting Bracket Easy install bracket on your bike, suitable for circular tripod in diameter ≤ 1.18inch. 5 ft Cable 0.45in thick cable with PVC coating prevents scratches and secure bike to bike racks, fences and more.