FH CASS BOX THREE PRIME 9 11-46 BK 9s

The Box Three cassette allows fine tuning the price point of the Prime 9 drivetrain by accepting a small amount of additional weight

Steel cog and spider construction for improved durability

Ultra-wide ratio with consistent progression

Compatible with HG freehub bodies

Intended for use with Box Prime 9 drivetrains only - may not be compatible with other 9 speed drivetrains