ROCKBROS Bicycle U-lock Steel Carbon Bike Lock Anti Theft w 2 keys Black Lock

Brand: ROCKBROS Name: Bold anti-shear U-shaped lock Material:steel carbon+zinc alloy lock cylinder Lock Body Diameter:≈2.2cm Steel Diameter:≈1.4cm Product weight:≈400g Be Applicable:Bicycles, motorcycles, etc. Product Features 1.High-strength steelzinc alloy lock core 2.12 Tons Of Hydraulic Pliers Cut Continuously 3.Quenching Heat Treatment Stiffened Steel Beam 4.Double Lock Tamper-proof 5.Silicone Protective Sleeve Doesn't Hurt the Frame 6.Zinc Alloy C-class Anti-Theft Lock cylinder 7.The serpentine slot is difficult to replicate and reduces the mutual opening rate 8.Easy To Lock Anytime Anywhere 9.Two Options Convenient Travel 10.Comes with a storage bracket, which can be attached to a seat post or hung on the frame, saving time and effort