Derailleur Hanger 303 Dropout 488 Compatible With 12x1.0 Thru Axle Bikes For GT Grade Carbon Expert Trail Ready Replacement Part CNC Machined 6061 Aluminum With M3x10 Socket Head Screw Included And Easy Rear Alignment

Derailleur Hanger 303 Dropout 488 for M12x1.0 Thru Axle
✔️ CNC machined 6061 aluminum, includes M3x10 socket screw

This derailleur hanger is a CNC machined 6061 aluminum replacement dropout designed for 12x1.0 thru-axle bike frames. It's commonly used on GT Grade Carbon Expert frames and Cannondale models listed in the compatibility table. Includes M3x10 socket head screw and is intended to restore rear alignment after damage.

✅ Fits 12x1.0 Thru Axle Dropouts (Single-Lead)
✅ CNC machined 6061 aluminum construction for strength
✅ Includes M3x10 socket head screw for installation
✅ Compatible with Derailleur Hanger 303 / Dropout 488 on GT Grade Carbon Expert 2021 and Cannondale frames listed
✅ Does not fit double-lead dropout variants (Dropout 767 / Hanger 399)

💡 What is a derailleur hanger used for in thru-axle bike frames?

A derailleur hanger is a handy part that keeps the derailleur aligned and protects the frame. - Ensures accurate shifting and frame protection - Replaces damaged hangers to restore alignment - Works with M12x1.0 thru-axle systems on compatible frames - Requires correct model/year match for proper fit