GERDA U-LOCK Ultra Combo 245/153C Bicycle Lock Combination Black

Product Overview

The GERDA U-LOCK Ultra Combo 245/153C is a bicycle shackle lock with a 14 mm hardened steel U-bar and a customizable 4-digit combination mechanism, designed for securing bicycles in urban environments, parking stations, and public spaces with elevated theft risk. Featuring a PCV cover to prevent scratches, this lock is targeted at commercial retailers, bike shops, fleet operators, and organizations requiring robust bicycle security solutions. The product is classified as "Gerda Class: Premium Protection," ensuring suitability for expensive bikes and high-security installations.

The key differentiator of this U-LOCK is its double-sided locking mechanism on the steel shackle, which offers increased resistance to cutting and leverage attacks compared to standard single-sided models. This feature significantly lowers procurement risk for buyers focused on anti-theft performance in demanding conditions, and eliminates concerns about lock vulnerabilities during long-term unattended storage. Particularly recommended for bulk supply to bicycle dealerships, urban rental fleets, or security-conscious institutions managing valuable assets.

Key Features

• 14 mm hardened steel shackle ? resists cutting and leverage attacks


• Double-side locking mechanism ? provides extra security versus single-side locks


• Customizable 4-digit combination ? eliminates key management complexity


• PCV protective cover ? prevents bicycle frame scratches during use


• Premium Protection Class (Gerda) ? intended for securing high-value bicycles


• Transport mount included ? enables convenient carry on bike frame


• No keys required ? simplifies operation for multi-user applications

Technical Specifications

• Shackle Diameter: 14 mm


• Shackle Material: Hardened Steel


• Lock Type: 4-digit combination


• Lock Mechanism: Double-sided locking


• Cover Material: PCV


• Dimensions: 245 mm x 153 mm


• Protection Class: Gerda Premium Protection


• Color: Black


• Transport Mount: Included

Applications

Ideal for securing high-value bicycles in urban areas, bike shops, rental fleets, corporate fleets, and public bike parking stations. Suitable for long-duration locking in less secure environments, recommended for rental services, urban mobility providers, and bulk supply for employee or institutional bike programs.

Packaging & Shipping

Standard export packaging. Unit includes U-lock body, transport mount, installation accessories, and user manual with combination setup instructions.