Box Four 8-Speed Drivetrain Bundle Bundle Up. This makes it an ideal choice for entry-level bikes. SunRace's 11-42T cassette is high quality at a very affordable price point. Shimano compatible. Bundle contains; 1x Box Four 8 Speed Multi Shifter (Right) 1x Box Gour 8 Speed Wide Rear Derailleur 1x SunRace 8 Speed 11-42T Cassette (CS-M680).
