Wheels Manufacturing Derailleur Hanger - 77 MFPN=RR21BG4DM5536TSHI12BLK 5" and 29” versions Flat

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

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

Parallel hose connects routes with the handlebar for a clean appearance on any bike

Fibra-Tek cover

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

Wheels Manufacturing Derailleur Hanger - 77 MFPN=RR21BG4DM5536TSHI12BLK 5" and 29” versions FlatWheels 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