Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. See below "Tech" link for known fitments 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 CNC machined 6061 aluminum Black anodized finish Made in the USA "Fitment Kona Operator - 2014-2015 Precept 2014 - 2015 Precept DL - 2014-2015 Process 111, 111 DL - 2014-2015 Process 134, 134 DL - 2014-2015 Process 153, 153 DL - 2014-2015 Process 167 - 2015 Supreme Operator - 2014-2015 " Wheels Manufacturing Hangers Requiring 2 Fasteners Derailleur Hangers UPC: 811079022011