BOX One Prime 9 X-Wide Rear Derailleur - 9-Speed Long Cage Black CheckoutSpec= 2 Speed Surly OD Bottom Brackets

Surly OD Bottom Brackets

Hardened CRV tool steel ensures longevity of precision tips

Stainless steel Angular Contact Bearings

Junior fits two sizes: 134 – 146cm 4ft5” - 4ft9”

BOX One Prime 9 X-Wide Rear Derailleur - 9-Speed Long Cage Black CheckoutSpec= 2 Speed Surly OD Bottom BracketsPrime 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 linkages Box Three features: Limited Slip Clutch, stamped