--- product_id: 33130850 title: "OnGuard Bulldog STD Bike U-Lock – 13 mm Hardened Steel Shackle (115 × 230 mm) – X2P Double Bolt, Z-Cylinder Core, 5 Keys & Mount Bracket" brand: "onguard" price: "412.72 DT" currency: TND in_stock: true category: "Onguard" url: https://www.desertcart.tn/products/33130850-onguard-bulldog-std-bike-u-lock-13-mm-hardened-steel store_origin: TN region: Tunisia --- # 5 Laser-Cut Keys X2P Double Bolt Locking 11-13mm Hardened Steel OnGuard Bulldog STD Bike U-Lock – 13 mm Hardened Steel Shackle (115 × 230 mm) – X2P Double Bolt, Z-Cylinder Core, 5 Keys & Mount Bracket **Brand:** onguard **Price:** 412.72 DT **Availability:** ✅ In Stock ## Summary > 🔐 Lock It Down, Ride It Out! ## Quick Answers - **What is this?** OnGuard Bulldog STD Bike U-Lock – 13 mm Hardened Steel Shackle (115 × 230 mm) – X2P Double Bolt, Z-Cylinder Core, 5 Keys & Mount Bracket by onguard - **How much does it cost?** 412.72 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/33130850-onguard-bulldog-std-bike-u-lock-13-mm-hardened-steel) ## Best For - onguard enthusiasts ## Why This Product - Trusted onguard brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Crafted from 11-13mm hardened steel, this lock is engineered to resist cutting, prying, and jacking. - • **Bump-Proof Design:** The advanced Z-Cylinder technology ensures your lock is bump-proof and impervious to picking. - • **Unmatched Security:** Experience peace of mind with the X2P Double Bolt Locking Mechanism that secures your bike from all angles. - • **Complete Convenience:** Includes 5 laser-cut keys, one with a micro-LED for easy access in low light. - • **Versatile Locking Options:** Standard shackle length allows for flexible locking solutions, making it perfect for any bike. ## Overview The ONGUARD Bulldog STD U-Lock combines robust security features with user-friendly design, making it the ultimate choice for cyclists seeking reliable protection. With its hardened steel construction and advanced locking mechanisms, this lock ensures your bike stays safe, while the included laser-cut keys add convenience to your cycling experience. ## Description The OnGuard Bulldog STD U-Lock delivers dependable everyday security for commuters and city cyclists. Its 13 mm hardened-steel shackle resists cutting and leverage attacks, while the X2P Double Bolt mechanism secures both sides of the shackle for enhanced strength. The Z-Cylinder core protects against picking, drilling, and bumping for long-term reliability. A rubber-coated crossbar and endcaps help protect your bike’s paint from scratches, and the included mount bracket makes carrying easy. Includes five laser-cut keys. Dimensions: 115 x 230 mm (4.53 x 9.06"). ## Features - Dependable Daily Security: X2P Double Bolt mechanism locks both sides of the shackle to block prying and twisting, delivering trusted protection for urban riders and commuters. - Optimized Locking Size: Internal locking area of 115 x 230 mm (4.53 x 9.06") provides practical reach for securing bikes to racks, poles, and railings. - Tough 13 mm Hardened Steel Shackle: Strong steel construction helps resist cutting, leverage, and jacking attacks in city environments. - Advanced Z-Cylinder Core: Precision locking cylinder defends against drilling, picking, and bumping for reliable long-term anti-theft performance. - Complete Lock Kit Included: Comes with five laser-cut keys and an all-tube mount bracket for convenient on-bike storage. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0009KBHD0 | | Additional Features | Key Lock | | Best Sellers Rank | #119,503 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #74 in Bike U-Locks | | Brand Name | ONGUARD | | Color | Black, Yellow | | Control Method | Touch | | Controller Type | Hand Control | | Customer Reviews | 4.5 4.5 out of 5 stars (222) | | Finish Types | Polished | | Global Trade Identification Number | 00768661280109 | | Included Components | Bike lock | | Item Dimensions | 10.95 x 6.95 x 2.05 inches | | Item Type Name | Bike lock | | Item Weight | 2.5 pounds | | Lock Type | Key Lock | | Manufacturer | OnGuard | | Manufacturer Part Number | 45008010 | | Manufacturer Warranty Description | 2 year manufacturer | | Material Type | Alloy Steel, Rubber | | Model Name | Bulldog U-Lock | | Model Number | 45008010 | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 1 | | Recommended Uses For Product | Bicycle security | | Shape | Round | | Style Name | Modern | | UPC | 768661281144 768661281458 768661280109 | | Unit Count | 1 Count | ## Product Details - **Brand:** ONGUARD - **Item dimensions L x W x H:** 10.95 x 6.95 x 2.05 inches - **Lock Type:** Key Lock - **Material:** Alloy Steel, Rubber - **Special Feature:** Key Lock ## Images ![OnGuard Bulldog STD Bike U-Lock – 13 mm Hardened Steel Shackle (115 × 230 mm) – X2P Double Bolt, Z-Cylinder Core, 5 Keys & Mount Bracket - Image 1](https://m.media-amazon.com/images/I/61ovChQIyIL.jpg) ![OnGuard Bulldog STD Bike U-Lock – 13 mm Hardened Steel Shackle (115 × 230 mm) – X2P Double Bolt, Z-Cylinder Core, 5 Keys & Mount Bracket - Image 2](https://m.media-amazon.com/images/I/31D80qk0tlL.jpg) ![OnGuard Bulldog STD Bike U-Lock – 13 mm Hardened Steel Shackle (115 × 230 mm) – X2P Double Bolt, Z-Cylinder Core, 5 Keys & Mount Bracket - Image 3](https://m.media-amazon.com/images/I/41jOC1dnQDL.jpg) ![OnGuard Bulldog STD Bike U-Lock – 13 mm Hardened Steel Shackle (115 × 230 mm) – X2P Double Bolt, Z-Cylinder Core, 5 Keys & Mount Bracket - Image 4](https://m.media-amazon.com/images/I/51hOcB7YyXL.jpg) ![OnGuard Bulldog STD Bike U-Lock – 13 mm Hardened Steel Shackle (115 × 230 mm) – X2P Double Bolt, Z-Cylinder Core, 5 Keys & Mount Bracket - Image 5](https://m.media-amazon.com/images/I/513fnZwB0-L.jpg) ## Available Options This product comes in different **Size** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/33130850-onguard-bulldog-std-bike-u-lock-13-mm-hardened-steel](https://www.desertcart.tn/products/33130850-onguard-bulldog-std-bike-u-lock-13-mm-hardened-steel) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-23*