BOX COMPONENTS

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 lightPerfect candidate for every entry-level bike...

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 lightPerfect candidate for every entry-level bike that traditionally has a 3 by drive-train that is neither durable nor user friendlyFor those seeking an affordable way into the world of 1x drivetrains on an otherwise entry level platformFeatures Box`s Limited Slip Clutch, durable nylon composite knuckle and direct channel cable stayDie cast linkage...

 Prime 9 Technology is a counter-intuitive philosophy based on the less is more theory - it embraces range without adding complexity Intended for use with Box Components` Prime 9 speed...

 Prime 9 Technology is a counter-intuitive philosophy based on the less is more theory - it embraces range without adding complexity Intended for use with Box Components` Prime 9 speed group, no compatible with other 11-50 cassettes Carbon fiber / nylon composite, steel, aluminum alloy construction Adjustable Tri-Pack limited slip clutch Forged inner and outer cage Pivot-Tech cable stay Precision sealed bushing pulleys 9sp 50 Long 2to1 ...

 Prime 9 Technology is a counter-intuitive philosophy based on the less is more theory - it embraces range without adding complexity Intended for use with Box Components` Prime 9 speed...

 Prime 9 Technology is a counter-intuitive philosophy based on the less is more theory - it embraces range without adding complexity Intended for use with Box Components` Prime 9 speed group, no compatible with other 11-50 cassettes Similar design as the Box Two Prime 9 derailleur with more affordable materials Glass fiber/nylon composite, steel and aluminum construction Limited slip clutch Stamped inner and outer cage Standard bushing pulleys Direct...

 Prime 9 Technology is a counter-intuitive philosophy based on the less is more theory - it embraces range without adding complexity Intended for use with Box Components` Prime 9 speed...

 Prime 9 Technology is a counter-intuitive philosophy based on the less is more theory - it embraces range without adding complexity Intended for use with Box Components` Prime 9 speed group, no compatible with other 11-50 cassettes Same functions as the Box One Prime 9 derailleur with more affordable materials Glass fiber/nylon composite, steel, aluminum alloy Tri-Pack limited slip clutch Forged inner and outer cage Pivot-Tech cable stay Precision...