Box One Prime 9 Chain 126L DLC derailleur The Box Three chain is

The Box Three chain is polished and then chemically treated to achieve corrosion resistance

and surely 11-42T is plenty of range for an 8-speed cassette

This premium housing is compatible with Box One

Lockring & Cogs replacement for Box Two Prime 9 cassettes

Box One Prime 9 Chain 126L DLC derailleur The Box Three chain isThe Box One chain is protected by our dual coating. We start with Nickel plating which aids in corrosion resistance and then top it off with the "Diamond Like Carbon" layer. The DLC is as fancy as it sounds; a synthetic diamond nano coating that turns up the volume on hardness, wear resistance, and slickness. All Prime 9 chains have chamfered shifting edges, solid plates and solid pins to safeguard durability. Our unique inner link spacing is