Box Two P9 X-Wide Multi Shift Groupset apparel The Box One Prime 9

The Box One Prime 9 Rear Derailleur takes the advantages of our legacy 9-speed drive-train but adds the advancements of a modern 1 by

Adding an extra tooth to each of the three highest gears provides increased durability and decreased wear by distributing the load over a larger area

Enjoy a new Prime 9 Branded crew neck track shirt with a fit

bushing pulleys and some muted finishes

We've chosen to modernize the 8-speed in much the same way we did the 9-speed for Prime 9

Box Two P9 X-Wide Multi Shift Groupset apparel The Box One Prime 9Our Box Two tier's mission in life is to deliver performance similar to the Box One but without its exotic (and costly) features. You still get the Tri Pack Clutch in our derailleur only it isn't adjustable. The cassette's 11 50T range is equally impressive but we don't cut it out of a single block of steel. The action on the shifter is just as snappy although you don't get the rigid die cast pull lever. The chain boasts the same unique ability to