Box Four 8S Wide Compact Multi Shift Groupset DH The Box Three Rear Derailleur

The Box Three Rear Derailleur simplifies the features found on the Prime 9 Box One and Two rear derailleurs making for a fully featured wallet friendly rear derailleur

You're fond of Prime 9

you know you deserve it

Available as a multi-shift (pull several gears at once) or  single-shift shifter (a sound choice for e-bikes)

The Box One Shiftmix adapter allows any Box shifter to mount to a Magura shiftmix compatible brake

Box Four 8S Wide Compact Multi Shift Groupset DH The Box Three Rear DerailleurOur Box Four tier is for those people who just want less fuss! You're fond of Prime 9, but know 8 is enough, and surely 11 42T is plenty of range for an 8 speed cassette. Our derailleur still has the Limited Slip clutch but now arrives with a more compact cage. The custom 8 speed chain is built for abuse, although it's sophisticated enough to have its own Wide narrow chainring. Push through fewer gears with a no nonsense shifter. This one is our