Key features

• •✅ Precision Rear Derailleur Alignment Tool Realign misaligned derailleur hangers with ease using our high-accuracy BINGOX derailleur hanger alignment gauge. Compatible with all bikes featuring 20" to 29" wheels — including MTB, road bikes, gravel bikes, and UDH systems.
• •✅ Durable 304 Stainless Steel Construction Crafted from corrosion-resistant 304 stainless steel, this tool offers unmatched durability, making it ideal for both home bike repair and professional shop use. Built to last through years of regular wheel alignment and derailleur tuning.
• •✅ Enhanced Inner Shaft for Smoother Operation Our upgraded large inner shaft and diamond-shaped straightener bar provide tighter tolerances, reduced flex, and more stable calibration — ensuring accurate chain gap adjustment and smoother gear shifting.
• •✅ Enhanced Inner Shaft for Smoother Operation Our upgraded large inner shaft and diamond-shaped straightener bar provide tighter tolerances, reduced flex, and more stable calibration — ensuring accurate chain gap adjustment and smoother gear shifting.
• •✅ Must-Have Tool for Every Cyclist and Mechanic Whether you're a weekend warrior or a pro, this bike derailleur hanger alignment gauge tool helps eliminate shifting issues, straighten bent hangers, and extend the life of your drivetrain. A top pick for alignment tools and bicycle repair kits.