Heavy-Duty Silicone U-Lock – 17mm Alloy Steel Shackle, Anti-Cut & Anti-Saw, Double-Open Locking, Scratch-Proof Silicone Coating, Universal for Bicycles & Motorc

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【Heavy-Duty Silicone U-Lock】 Constructed with a dual structure of premium alloy steel lock tube and zinc alloy cylinder, featuring a thickened 17mm (0.67-inch) shackle that withstands approx. 12 tons of hydraulic force. It powerfully resists hydraulic cutters, hacksaws, hammer strikes, and drills, delivering exceptional anti-cut and anti-saw performance. The lock body is wrapped in a 0.25cm eco-friendly silicone coating for corrosion and rust resistance, scratch-proof durability, and a snug fit against bike frames without damaging the paint. The double-open locking design secures both ends simultaneously, guarding against prying and lock-picking for more reliable anti-theft protection. Product Specifications: Approx. 19.71 × 12.75cm overall, with an inner shackle height of approx. 14.76cm and inner width of approx. 6.76cm. Net weight approx. 1160g (1.64lb). Widely compatible with bicycles, e-bikes, motorcycles, as well as iron and glass doors, it is the reassuring choice for daily commuting, outdoor cycling, and home security. Delivery Timeframe Please note that we cannot guarantee the exact date of arrival, and the delivery timeframes (excluding weekends and public holidays) are as follows: For customers in Victoria, approximately 7-10 working days; For customers in NSW, SA, ACT, and QLD, approximately 9-12 working days; For customers in WA, NT, and TAS, approximately 9-12 working days.