Practical and durable construction - Made of material, this bike gear hanger is practical and ensures long-lasting use. Rear derailleur protection for reliable cycling - Designed to provide unparalleled protection for your rear derailleur, this mechanic bar guarantees perfect alignment and provides stable and reliable performance during cycling. Wide compatibility across bike models - Compatible with Haibike XLC, Winora ZAP, Winora Flitzer, Winora Talparo, Winora Domingo and Conway 429:2019, making it versatile and suitable for various bikes. Lightweight yet sturdy high quality material - Made of aluminum alloy, this derailleur hanger is lightweight yet sturdy, providing reliable support for the rear derailleur system. Practical use scenarios - Bike maintenance and alignment: Use during derailleur adjustments to help ensure precise alignment and reduce risk of damage to the derailleur. - Routine bike setup and setup checks: Use when preparing a bike for a ride to verify proper derailleur positioning and stability. - Multi-bike environments: Ideal for households or workshops with multiple compatible models, enabling quick swaps and reliable protection across bikes.