BOX Four 8-Speed Wide Rear Derailleur bar it's compact enough to pack

it's compact enough to pack into the smallest trail bags

Go climb a mountain

Materials Hardened Alloy Steel Pin Type Solid Links 106 Speeds 9 Finish Polished Weight

0 is your go-to MTB child seat with a quick-release system and no bike modifications needed

it includes everything you need to start hitting the trails with your little grom up front

BOX Four 8-Speed Wide Rear Derailleur bar it's compact enough to packThe Box Four Rear Derailleur is the base level of Prime 9 Technology, providing an affordable, clutch based 1x8 speed derailleur that is both simple and lightweight. This makes it an ideal choice for entry level bikes. Features; 8 Speed Limited Slip Clutch Bearing Pulleys Nylon Composite Knuckle Die Cast Linkages Stamped Inner and Outer Cage For light medium terrain Specifications; Materials Aluminum, Glass Fiber Nylon Composite Finish Matte Black