The Dualrailleur is the first and only guide on the market to provide
the precision of a single ring guide while allowing the rider to shift
between two front chain rings. The Dualrailleur gives you the benefit of a downhill guide AND the ability to shift to the small ring for easier climbing. The guide has been developed for and includes a Shimano XT FD-M770 & 771 Front Derailleur.
The Dualrailleur enhances the combined performance of the derailleur, chain, sprockets/gears, and the outside bash guard. As the chain travels into and through the guard it’s funneled effortlessly to the selected sprocket. The surface area of the Dualrailleur is approximately 2.5 times greater on the inner plate, 3 times on the outer plate, and has 4 times more surface area on the bridge than a standard derailleur. This greatly enhances the ability to control the chain and minimize chain whip prior to entering the front sprocket. The guide is made of Polycarbonate with an inner plate of 6061 aluminum for strength allowing the chain to glide through the guide.
When in the middle ring the inner plate of the Dualrailleur hangs below the chain preventing the chain from dropping to the granny gear but when shifted to the lower ring the Dualrailleur moves as part of the front derailleur, so the whole guide shifts to align the small ring chain line. The relationship between the Bash ring, the Dualrailleur and our inner backing plate traps the chain so there is not possible way for the chain completely derail. Other guides limit your use to one sprocket, and the current dual ring systems only tension the chain allowing the chain to jump between front sprockets and even derail. The Dualrailleur Guide allows you to take full advantage of a dual ring chain configuration resulting in more ability to maneuver steep terrain and promote safety.
the precision of a single ring guide while allowing the rider to shift
between two front chain rings. The Dualrailleur gives you the benefit of a downhill guide AND the ability to shift to the small ring for easier climbing. The guide has been developed for and includes a Shimano XT FD-M770 & 771 Front Derailleur.
The Dualrailleur enhances the combined performance of the derailleur, chain, sprockets/gears, and the outside bash guard. As the chain travels into and through the guard it’s funneled effortlessly to the selected sprocket. The surface area of the Dualrailleur is approximately 2.5 times greater on the inner plate, 3 times on the outer plate, and has 4 times more surface area on the bridge than a standard derailleur. This greatly enhances the ability to control the chain and minimize chain whip prior to entering the front sprocket. The guide is made of Polycarbonate with an inner plate of 6061 aluminum for strength allowing the chain to glide through the guide.
When in the middle ring the inner plate of the Dualrailleur hangs below the chain preventing the chain from dropping to the granny gear but when shifted to the lower ring the Dualrailleur moves as part of the front derailleur, so the whole guide shifts to align the small ring chain line. The relationship between the Bash ring, the Dualrailleur and our inner backing plate traps the chain so there is not possible way for the chain completely derail. Other guides limit your use to one sprocket, and the current dual ring systems only tension the chain allowing the chain to jump between front sprockets and even derail. The Dualrailleur Guide allows you to take full advantage of a dual ring chain configuration resulting in more ability to maneuver steep terrain and promote safety.
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