Box Four 8 Speed Wide Rear Derailleur Size:Wide Cage you can also use your

you can also use your custom number plate sticker so you can always find your bike stand in the pits

Box One™ Chain Tensioners are extruded then CNC-machined from 7075 aluminum for an optimal balance of strength and weight

The Mid reach lever features a new design that puts it in the same reach position as the Long

the Box Four shifters take advantage of the "less is more" theme and exploit durability

Without these precautions

Box Four 8 Speed Wide Rear Derailleur Size:Wide Cage you can also use yourThe 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. SUPPORT MATERIAL Prime 9 Technology View Prime 9 Drivetrain Compatibility Manual How is the Ebike variant different? View Prime 9 Comparison Chart View Prime