Advanced Tourney RD-TY500-SGS rear derailleur with long cage design for precise 6 and 7-speed shifting performance. Constructed with lightweight resin brackets and plates, reducing overall bike weight without compromising durability, ideal for BMX and track cycling applications. Zinc-plated adjustment screws provide superior corrosion resistance, ensuring reliable, long-lasting operation in various weather conditions. Compatible with MegaRange systems, enabling extensive gear ranges up to 34 teeth, perfect for versatile terrain and aggressive riding styles. Designed with a drop-out claw hanger mount and featuring Mountain shifter compatibility, this derailleur offers easy installation and smooth, responsive gear shifts for BMX and track bikes. Tourney RD-TY500-SGS Rear Derailleur - 6/7-Speed Long Cage for BMX & Track Bikes Elevate your cycling performance with the Tourney RD-TY500-SGS Rear Derailleur, designed specifically for BMX, track, and entry-level mountain biking enthusiasts. Built with precision engineering and innovative features, this long cage derailleur ensures smooth, reliable shifting across a wide gear range, enhancing your ride quality whether you're tearing up the track or cruising around town. Materials & Construction: Constructed with a lightweight resin bracket and plate body, the TY model reduces overall weight without compromising durability. Its black finish complements any bike aesthetic, adding a sleek and professional look. Zinc-plated adjustment screws provide excellent corrosion resistance, extending the lifespan of your drivetrain even in harsh conditions. Performance & Engineering: This derailleur is engineered for durability and optimal shifting performance with compatibility for MegaRange gear setups, allowing for expanded gear capacity for versatile riding. The long cage design accommodates up to a 34-tooth largest cog and a chain wrap capacity of 43 teeth, making it perfect for BMX and track bikes that require precise, multi-gear shifts. Components & Technology: Featuring advanced components, the RD-TY500-SGS includes a dropout claw hanger for easy installation on dropout frames. It seamlessly integrates with Mountain rear shifters, providing smooth, predictable shifts that improve responsiveness and rider confidence. The model supports 6 and 7-speed drivetrains, offering flexibility for various build configurations. Style & Use Case: Designed for BMX and track cycling, this rear derailleur ensures high-performance gear shifting for aggressive riding styles and competitive scenarios. Its sleek black design complements various bike styles, and its durable construction makes it ideal for daily commuting, recreational riding, or racing applic