This Box Three rear mech simplifies the features found on the Prime 9 Box One and Two model's, making for a fully-featured value for money rear derailleur. Including a Limited Slip Clutch, Sealed bearing pulleys and a solid construction, the Box Three rear mech is compatible with 11-46 and 11-50t derailleurs making it one of the most versatile derailleur offerings for Prime 9. Compatibility: • Box One Prime 9 11-50T Cassette Black • Box Two Prime 9 11-50T Cassette Black • Box Three Prime 9 Cassette Black • Box One Prime 9 Chain 126L DLC Black • Box Two Prime 9 126 Link Chain Nickel • Box Three Prime 9 126 Link Chain Polished • Box One Prime 9 Shifter Black • Box Two Prime 9 Shifter Black • Box Three Prime 9 Shifter Black FAQ: Are Box Prime 9 derailleurs compatible with Shimano "direct mount" hangers? No, Shimano direct mount hangers are proprietary and are not compatible with Box derailleurs. Is the Box Three Prime 9 Derailleur compatible with other 9 speed components? No, traditional 9 speed systems use a Cable Pull that is not compatible with Prime 9. Are Box Prime 9 derailleurs compatible with drop bar (road) shifters? No, 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 handle bars. How should I clean my Box Three Prime 9 derailleur? We suggest removing the derailleur from the bike and using a soft bristle brush or rag with soapy water or a mild de-greaser. We do not recommend pressure washing, strong solvents or de-greasers as they could degrade the surface coating.
This 9 speed Box Two rear mech is very similar to the Box One version however, to be more wallet-friendly, it offers a non-adjustable Tri-Pack Clutch, bushing pulleys, and some muted finishes. Box Two rear derailleurs are still optimised for 11-50T cassettes and offer durability and performance for the most demanding terrain, just at a lower price! Compatibility: • Box One Prime 9 11-50T Cassette Black • Box Two Prime 9 11-50T Cassette Black • Box Three Prime 9 11-50T Cassette Black • Box One Prime 9 Chain 126L DLC Black • Box Two Prime 9 126 Link Chain Nickel • Box Three Prime 9 126 Link Chain Polished • Box One Prime 9 Shifter Black • Box Two Prime 9 Shifter Black • Box Three Prime 9 Shifter Black FAQ: Are Box Prime 9 derailleurs compatible with Shimano "direct mount" hangers? No, Shimano direct mount hangers are proprietary and are not compatible with Box derailleurs. Is the Box Two Prime 9 Derailleur compatible with other 9 speed components? No, traditional 9 speed systems use a Cable Pull that is not compatible with Prime 9. Are Box Prime 9 derailleurs compatible with drop bar (road) shifters? No, 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 handle bars. How should I clean my Box Two Prime 9 derailleur? We suggest removing the derailleur from the bike and using a soft bristle brush or rag with soapy water or a mild de-greaser. We do not recommend pressure washing, strong solvents or de-greasers as they could degrade the surface coating.
This Box One rear mech takes the advantages of legacy 9 speed drive-trains but also adds the advancements of modern 1 by drive-trains. It features a fully adjustable Tri-Pack Clutch, Forged Construction as well as optimisation for an 11-50t cassette. This allows it to step up to the durability and performance of an unparalleled level that's suited for the most demanding terrain. Compatibility: • Box One Prime 9 11-50T Cassette Black • Box Two Prime 9 11-50T Cassette Black • Box Three Prime 9 11-50T Cassette Black • Box One Prime 9 Chain 126L DLC Black • Box Two Prime 9 126 Link Chain Nickel • Box Three Prime 9 126 Link Chain Polished • Box One Prime 9 Shifter Black • Box Two Prime 9 Shifter Black • Box Three Prime 9 Shifter Black FAQ: Are Box Prime 9 derailleurs compatible with Shimano "direct mount" hangers? No, Shimano direct mount hangers are proprietary and are not compatible with Box derailleurs. Is the Box One Prime 9 Derailleur compatible with other 9 speed components? No, traditional 9 speed systems use a Cable Pull that is not compatible with Prime 9. Are Box Prime 9 derailleurs compatible with drop bar (road) shifters? No, 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 handle bars. How should I clean my Box One Prime 9 derailleur? We suggest removing the derailleur from the bike and using a soft bristle brush or rag with soapy water or a mild de-greaser. We do not recommend pressure washing, strong solvents or de-greasers as they could degrade the surface coating.
Aluminium front derailleur clamp designed to fit tubing 31.8 and 34.9mm.