microSHIFT M21 Rear Derailleur - 6,7 Speed, Super Short Cage, Black bmx Intelligent memory circuit remembers the

Intelligent memory circuit remembers the last used brightness level and mode when turned on again

Recharges in 2 hours with included USB cable1

Highly efficient COB LED with max 20 LED lumens

Designed for linear pull & mechanical disk brakes

Made in the USA

microSHIFT M21 Rear Derailleur - 6,7 Speed, Super Short Cage, Black bmx Intelligent memory circuit remembers theM21 rear derailleurs are designed to work with 6 and 7 speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs. Robust composite and steel construction Compatible with Shimano 6 and 7 speed mountain and road systems