Box Components Four 8-Speed Rear 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