Box Four 8-Speed Wide Derailleur

The Box Four Rear Derailleur is the base of Prime 9 Technology that offers an affordable clutch based 1 by 8-speed derailleur that is simple and light; this makes it a perfect candidate for every entry-level bike that traditionally has a 3 by drive-train that is neither durable nor user friendly. Features Our 8 is Enough Derailleur For Light/Medium Terrain Limited Slip Clutch™ Bearing Pulleys Compatibility Box Four 8 Speed Shifter Black Box Four 8 Speed 116 Link Chain Natural Box Four 8 Speed 11-42T and also 12-42T eBike Cassette Black Box Four 8 speed Wide/Narrow Chainring 104BCD 32T Black