Trek Universal Derailleur Hanger Trek Two reinforced parts at the

Two reinforced parts at the nose and heel give some extra strength

it all adds up to a more streamlined profile that helps give the flagship TCR Advanced SL 0 model a 4

2-finger V-Brake compatible lever

0 is your go-to mtb child seat with quick release fitting and zero bike modifications required

and confident upright positioning offer a balanced

Trek Universal Derailleur Hanger Trek Two reinforced parts at theProduct details Universal Derailleur Hanger or UDH offers greater derailleur protection Designed to rotate rearward in event of an impact Compatible with all drivetrains 25mm washer is standard on hardtails Included attachment hardware is reverse threaded