NEW Garmin Forerunner 645 Music GPS Running Watch: Black availability_in-store Rear Derailleur Mount Type: 10x1

Rear Derailleur Mount Type: 10x1 Standard

Center-Lock Disc and rim brake

Mechanical disc brake

Pad Compound: Resin

Flat bar shifter is designed to be used with the Apex 1x11 drive train

NEW Garmin Forerunner 645 Music GPS Running Watch: Black availability_in-store Rear Derailleur Mount Type: 10x1The Forerunner 645 Music has the tools to help you put on an outstanding show every time you lace up your shoes. It features on device music storage, so you can run with your favorite tunes, and contactless payments that let you buy what you need without missing a beat. With all those features plus advanced running dynamics and performance monitoring tools, this GPS running watch is the instrument you need to refine the performance. Easily download up