Wheels Manufacturing Derailleur Hanger - 123 Housing Manufacturer Part Number: R1V04-1341333

Manufacturer Part Number: R1V04-1341333

Manufacturer Part Number: DMR-G-BREN-THICK-B

the Tanpan provides unparalleled chain security for Shimano road drivetrains

Manufacturer Part Number: MM4000

- Made in the U

Wheels Manufacturing Derailleur Hanger - 123 Housing Manufacturer Part Number: R1V04-1341333Wheels 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 hangers DO NOT INCLUDE attachment hardware