Wheels Manufacturing Derailleur Hanger 352 Housing Diameter-4.1 Features a steerer tube o-ring

Features a steerer tube o-ring seal low friction top cover lip seal and co-molded crown race lip seal to provide protection from contaminants

Includes rubber dual lip labyrinth seals

Reflective elements Attachment Method Straps Color Black Waterproof Yes Weight 120

SRAM Model ID: FS-SPP-A0

Wheels Manufacturing Derailleur Hanger 352 Housing Diameter-4.1 Features a steerer tube o-ringWheels Manufacturing Derailleur Hanger 352. Wheels Manufacturing hangers are stiffer than almost any OEM hanger which improves durability and shifting performance. OEM hangers are only produced by a handful of manufacturers mostly in Taiwan and China. As a result you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application These