Weight : 890 g Dimensions : 410*160*75mm Material : Stainless steel, carbon steel Mounting Thread : M10 rear hook installation, requires M3/M5 wrench for assembly Compatible Wheels :16"-29"derailleur hangers with M10 mounting Precise alignment, professional-grade results!!! Quickly correct derailleur hanger misalignment with professional-grade precision, ensuring crisp, smooth shifting High-quality materials!!! Constructed from premium stainless steel and carbon steel—outlasts plastic! Effortless 360° adjustment!!! Blind spot-free design with 360-degree rotation adjustment effortlessly resolves various shifting issues (e.g., delayed shifting, improper engagement, excessive clearance, drivetrain noise? Wide compatibility!!! Fits 16“-29” wheels, suitable for mountain bikes, road bikes, and gravel bikes