Box Four 8-Speed 11-42T Cassette Wheel Brand_Reynolds and our patented carbon composite

and our patented carbon composite outsole provides maximum power output

comes with a versatile and secure mounting strap

Cup material: Aluminum

Constructed from thermal ThermTextura fabric to regulate temperature and reflective accents for increased low light visibility

Boasting a more casual look but still loaded with the technical details you’ve grown to expect from BOCO

Box Four 8-Speed 11-42T Cassette Wheel Brand_Reynolds and our patented carbon compositeEconomical wide range gearing for the masses Steel stamped cogs for improved durability and longevity Wide ratio with consistent progression Intended to be used with the Box Four 8sp drivetrain only may not be compatible with other 8sp components Range: 11 42t Gears: 8sp Cogs: 11 14 16 18 22 28 34 42 Color: Black