BOX One Prime 9 Derailleur(9spd), X-Wide Cage - Black Lubricants UPC: 710845310942

UPC: 710845310942

UPC: 821973338880

UPC: 714401103627

-threaded 46mm asymmetric press-fit BB shells to accept most 24mm or 24/22mm spindle cranks

122673-Q0-L

BOX One Prime 9 Derailleur(9spd), X-Wide Cage - Black Lubricants UPC: 710845310942Prime 9 Technology for less derailleur travel and better chainline, less wear, and improved lifespan Box One features: Adjustable Tri Pack limited slip clutch, forged inner and outer cage, Pivot Tech cable stay, sealed bearing pulleys, and 3D forged linkages Box Two features: Tri Pack limited slip clutch, forged inner and outer cage, Pivot Tech cable stay, sealed bushing pulleys, and 3D forged inkages Box Three features: Limited Slip Clutch, stamped