SHIMANO FH-M678 COMPLETE FREEWHEEL BODY electric_full_suspension the inward side line curves

the inward side line curves provide more space for efficient pedalling

0 Top Rail

thanks to a lightweight polyurethane foam layer

Broad top surface area for camera or light attachments

SHIMANO FH-M678 COMPLETE FREEWHEEL BODY electric_full_suspension the inward side line curvesThe 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.