Features: Experience efficient shifting with our bicycles rear derailleur, features a rapid and precise gear system that minimizes shifting delay for unseamed transiting. Constructed from high strength metal and plastic, this derailleur offers great impact resistance and durability, while its light weight designs reduces ridings burden. Great for mountain biking enthusiasts, city commuters, and both starter and professional cyclists who seek reliable performances and easy installation without the need for professional tool. Perfect for various cycling scenario, from tackling complex mountain trail to navigating city street and enjoy long distances ridings with enhances comfort. Adopting with sealed designs for water proof and dustproof protections, this derailleur ensures longevities and individualized style. Specifications: Materials: Metal+Plastic Color: As The Picture Shows Package Weight: approx.300g Size: approx.13cm/5.12in Note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks! Package includes: 1Pc Bicycles Rear Derailleur