About this product

This 18-21 speed bicycle rear derailleur is engineered for reliable gear shifting performance on a wide range of bicycles. Its primary function is to precisely move the bicycle chain between sprockets on the rear cassette, enabling riders to select appropriate gears for varying terrains and speeds. Featuring a long bracket design, this derailleur offers enhanced chain wrap capacity, crucial for smooth transitions across its 18 to 21 speed range. Constructed with durable materials and finished in a corrosion-resistant CP (Chrome Plated) finish, it ensures longevity and a professional aesthetic. This component is typically supplied packaged one piece per polybag, with bulk orders consolidated into cartons of 50 units, facilitating efficient logistics for international trade. Its robust construction and versatile speed compatibility make it an ideal choice for bicycle manufacturers, assembly plants, and wholesale distributors serving the global cycling market. While specific certifications are not detailed, its design caters to standard bicycle component requirements. This rear derailleur is well-suited for international buyers seeking cost-effective and dependable bicycle components for mass production or distribution.