Wheels Manufacturing Derailleur Hanger - 77 MFPN=RR21BG4DM5536TSHI12BLK Low-profile design offers uninterrupted rear

Low-profile design offers uninterrupted rear shifting on rough terrain

CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older Maximum Head Circumference 61 Gender/Age Adult Minimum Head Circumference 58 Color Opal Gray Glossy Size Large Visor Included No Multi Impact Yes Weight 325 Helmet Style Road Defined Color Gray

5" and 29” versions Flat Protection Tread and Sidewall Color Black/Brown Defined Color Brown ISO Width (mm) 43 ISO Diameter 584 / 650b / 27

Model SRAM XD 11sp XX1 Compatibility 11sp XX1 Upper/Lower 12/12t Color Black

} SRAM's lightest and stiffest crank arms Compatible with 8 bolt spiders

Wheels Manufacturing Derailleur Hanger - 77 MFPN=RR21BG4DM5536TSHI12BLK Low-profile design offers uninterrupted rearWheels 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. CNC machined 6061 aluminum Made in the USA Fits Brand