SHIMANO FH-M678 COMPLETE FREEWHEEL BODY electric-bike making the brake disc a

making the brake disc a real eye-catcher

Main body material: extruded and CNC-machined 6061-T6 aluminum

Shifters: Shimano 105 Di2 2x12

It guarantees the highest breakdown protection and makes the tyre extremely resistant

Constructed from a lightweight aluminium and finished with an anodised coating

SHIMANO FH-M678 COMPLETE FREEWHEEL BODY electric-bike making the brake disc aThe Shimano FH M678 is a robust freewheel body designed for 10 speed cassettes, delivering reliable drivetrain performance for mountain and all terrain cycling. Built with Shimano's precision engineering, this component ensures smooth gear transitions and consistent power transfer. Compatible with standard freehub systems, it's an ideal replacement or upgrade for riders seeking dependable shifting and durability on demanding trails and varied terrain.