This genuine Trek derailleur hanger nut is designed for use with Road/ATB models from 1999 onward and compatible LeMond frames. It helps secure the derailleur hanger in place for accurate shifting and reliable performance.

Features:

• OEM replacement nut for Trek Road/ATB ’99 and LeMond derailleur hangers
• Ensures secure attachment and alignment of the hanger
• Prevents slippage or misalignment during shifting
• Durable construction built to Trek's specifications