--- product_id: 240704478 title: "Trimax - UMAX 50D - Trailer Lock for Hitch, Dual Purpose Transforms to U Lock - Trailer Hitch Lock for 1-7/8\" - 2-5/16\" Couplers, All Coupler Types" brand: "trimax" price: "HK$86" currency: HKD in_stock: false url: https://www.desertcart.hk/products/240704478-trimax-umax-50d-trailer-lock-for-hitch-dual-purpose-transforms store_origin: HK region: Hong Kong --- # Dual ratchet locking system Weather-resistant keyhole cover 360Β° tamper-resistant protection Trimax - UMAX 50D - Trailer Lock for Hitch, Dual Purpose Transforms to U Lock - Trailer Hitch Lock for 1-7/8" - 2-5/16" Couplers, All Coupler Types **Brand:** trimax **Price:** HK$86 **Availability:** ❌ Out of Stock ## Summary > πŸ” Lock in your trailer’s safety and never worry about theft again! ## Quick Answers - **What is this?** Trimax - UMAX 50D - Trailer Lock for Hitch, Dual Purpose Transforms to U Lock - Trailer Hitch Lock for 1-7/8" - 2-5/16" Couplers, All Coupler Types by trimax - **How much does it cost?** HK$86 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/240704478-trimax-umax-50d-trailer-lock-for-hitch-dual-purpose-transforms) ## Best For - trimax enthusiasts ## Why This Product - Trusted trimax brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Weatherproof Reliability:** Integrated keyhole cover keeps dirt and corrosion out, ensuring smooth use rain or shine. - β€’ **360Β° Armor for Your Trailer:** Full coverage guards against prying, hammering, and tampering from all angles. - β€’ **Versatile Dual-Purpose Design:** Transforms effortlessly from a coupler lock to a U-lock for ultimate convenience. - β€’ **Unbreakable Dual Ratchet Security:** Advanced locking tech that thwarts even the most determined thieves. - β€’ **Universal Fit with Lifetime Peace of Mind:** Fits all common coupler sizes and backed by a limited lifetime warranty. ## Overview The Trimax UMAX 50D Trailer Lock offers a robust dual ratchet locking system with 360-degree tamper protection, designed to fit 1-7/8" to 2-5/16" couplers. Its dual-purpose design converts into a U-lock, providing versatile security for trailers and equipment. Featuring a weather-resistant keyhole cover and a powder-coated chrome steel aluminum build, it ensures durability and smooth operation in all conditions. Approved by insurance standards and backed by a limited lifetime warranty, this lock is the ultimate safeguard for your valuable trailer. ## Description Trimax - UMAX 50D - Trailer Lock for Hitch, Dual Purpose Transforms to U Lock - Trailer Hitch Lock for 1-7/8" - 2-5/16" Couplers, All Coupler Types : desertcart.co.uk: Automotive ## Features - DUAL RATCHET SECURITY – Advanced dual ratchet locking system ensures a strong, tamper-resistant fit for maximum trailer protection - MULTI-USE DESIGN – Functions as both a coupler lock and a U-lock, providing versatility and convenience for securing your trailer or other equipment - 360Β° PROTECTION – Designed with full 360-degree coverage to guard against prying, hammering, and tampering, keeping your trailer safe - WEATHER-RESISTANT KEYHOLE – Integrated keyhole cover keeps dirt, debris, and corrosion at bay, ensuring smooth operation in all conditions - UNIVERSAL FIT & WARRANTY – Compatible with most coupler sizes and backed by a limited lifetime warranty for long-term security and peace of mind ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B084ZW5BNZ | | Batteries | 1 Unknown batteries required. | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 605,060 in Automotive ( See Top 100 in Automotive ) 5,466 in Trailer Couplings & Accessories | | Customer Reviews | 4.6 4.6 out of 5 stars (915) | | Date First Available | 1 Jan. 2024 | | Finish | Powder Coated | | Guaranteed software updates until | unknown | | Included Components | Lock, 2 keys | | Item Package Quantity | 1 | | Item Weight | 1.45 kg | | Item model number | UMAX50 KC | | Manufacturer | Trimax | | Material | Chrome Steel Aluminum | | Part Number | UMAX50D | | Product Dimensions | 24.77 x 23.5 x 10.16 cm; 1.45 kg | | Size | UMAX50D | | Style | UMAX | ## Images ![Trimax - UMAX 50D - Trailer Lock for Hitch, Dual Purpose Transforms to U Lock - Trailer Hitch Lock for 1-7/8" - 2-5/16" Couplers, All Coupler Types - Image 1](https://m.media-amazon.com/images/I/81oaNty4dDL.jpg) ![Trimax - UMAX 50D - Trailer Lock for Hitch, Dual Purpose Transforms to U Lock - Trailer Hitch Lock for 1-7/8" - 2-5/16" Couplers, All Coupler Types - Image 2](https://m.media-amazon.com/images/I/51W8JxNq7NL.jpg) ![Trimax - UMAX 50D - Trailer Lock for Hitch, Dual Purpose Transforms to U Lock - Trailer Hitch Lock for 1-7/8" - 2-5/16" Couplers, All Coupler Types - Image 3](https://m.media-amazon.com/images/I/41WCunYAaCL.jpg) ![Trimax - UMAX 50D - Trailer Lock for Hitch, Dual Purpose Transforms to U Lock - Trailer Hitch Lock for 1-7/8" - 2-5/16" Couplers, All Coupler Types - Image 4](https://m.media-amazon.com/images/I/51uorxN-mXL.jpg) ![Trimax - UMAX 50D - Trailer Lock for Hitch, Dual Purpose Transforms to U Lock - Trailer Hitch Lock for 1-7/8" - 2-5/16" Couplers, All Coupler Types - Image 5](https://m.media-amazon.com/images/I/51AB+297-CL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Frequently Bought Together - TRIMAX UMAX50D Universal Dual Purpose Trailer Coupler and U-Lock - Maxxhaul 70472 Solid Rubber Heavy Duty Black Wheel Chock 2-Pack, 8" X 4" X 6" --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hk/products/240704478-trimax-umax-50d-trailer-lock-for-hitch-dual-purpose-transforms](https://www.desertcart.hk/products/240704478-trimax-umax-50d-trailer-lock-for-hitch-dual-purpose-transforms) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-09-10*