Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Matte Onyx Sealed Bearing Pulleys | Black

RELIABILITY REDEFINED: Trust in the durability of our 8 Speed MTB Derailleur to keep you riding mile after mile. Featuring a Limited Slip Clutch,diecast, Bearing Pulleys and a Glass-Nylon Composite Knuckle. It ensures a reliable ride.

VERSATILE REDEFINED: Seamlessly integrate the Box Four 8 Speed Bike Derailleurs into your ride, whether on an E-Bike or traditional platform. With compatibility of only Box Four cassettes, ranging from 11-42T Non E-Bike and 12-42T E-Bike cassettes, find the perfect gearing for any trail.

ENHANCE PERFORMANCE: Elevate your biking experience with the pinnacle of technology. Our Box Four 8 Speed Mountain Bike Derailleur seamlessly combines the technology of Prime 9-speed drivetrain with the precision of modern design. Conquer any terrain with confidence and finesse.

COMPATIBILITY ASSURANCE: Box Four 8 Speed Derailleur ensures seamless integration with standard mount Derailleur hangers. Note that traditional 8-speed systems use a cable pull that is not compatible with 8 Speed . Box Prime 9 derailleurs are not currently compatible with drop bar shifters, but we do offer a clamp for our shifters to mount on some 31.8mm drop handlebars.

️ REFINED CONTROL: Say goodbye to guesswork and hello to seamless shifting with Box Four Prime 9 Bicycle Derailleur. Our Limited Slip Clutch ensures consistent chain tension, providing smoother shifts and greater control on every trail.