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The Shimano GRX ST-RX815 11-speed Di2 shift/brake lever integrates electronic shifting with improved grip and confidence on chippy surfaces and descents
37 Defined Color Black Spindle Interface Type FSA MegaExo 19 Weight 50
Elixir CR Mag
Does not change the derailleurs total chain wrap capacity
Classic style road bar
NEW Wheels Manufacturing Derailleur Hanger - 134 price_changed_on_2022-06-26 The Shimano GRX ST-RX815 11-speedWheels 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
