the Tannus Armour provides 15mm of puncture protection on the top

Control resistance with a lever on your handlebar

and standard 22

improved shifts due to more generous shift tolerances

durability and price

WHEELS MANUFACTURING Derailleur Hanger - 59 pickuponly the Tannus Armour provides 15mmWheels 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