Shimano Deore FC-M617 175mm Left Black Crankarm MFPN=DROPOUT-305 4mm machined hex key slot

4mm machined hex key slot on bottom allows for easy installation and removal

Servicing crank arms or removing damaged M9100 crank arm bolts has never been easier

}Wera Kraftform Kompakt 400 RA SHK Tool Set 1

} Pedal-based power meter bundle for road (compatible with LOOK KEO cleats) and off-road (compatible with SHIMANO SPD cleats) Pedals install like any other pedals and quickly transfer between bikes

}Jagwire Sport Mineral Oil Hydraulic Hose Kit for Shimano Dura Ace Ultegra 105 GRX 2000mm Black

Shimano Deore FC-M617 175mm Left Black Crankarm MFPN=DROPOUT-305 4mm machined hex key slotShimano Deore FC M617 175mm Left Black Crankarm. Deore Left Crank Arm TECH SPECS Color Black Spindle Interface Type Hollowtech II Length 175