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Road Rear Mechs

Road Rear Mechs The rear mech or rear derailleur moves the chain across the rear sprockets or cassette. They are fixed to the frame and work using springs. Rear mechs are operated by cables pulled or released from the gear shifters on the handlebars and are sequenced to move just the right amount of space to change one sprocket at a time. Rear Derailleurs Often specific to the manufacturer and the amount of gears that the groupset is designed to have (normally 7, 8 or 9speed) it is very important that the rear derailleur is compatible to your bicycle (refer to buyers guide). We stock road rear mechs from the three groupset manufactures Shimano, SRAM and Campagnolo. To run a triple chainset a bicycle will require a specific long cage rear derailleur to allow the longer range of movement required when shifting across three chainrings. As with nearly all gear components they will be specific to the amount of gears you run on your rear wheel and more often than not will be specific to other gears produced by the manufacturer.
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