Do clutch rear derailleurs add drivetrain friction?

Clutched rear derailleurs have long been a fixture in the mountain bike world given how the one-way pulley cage pivots dramatically enhance chain security and reduce noise. The road world has largely ignored the technology on two counts, though: weight and friction. The added mass relative to a non-clutched rear derailleur is indisputable, but does … The post Do clutch rear derailleurs add drivetrain friction? appeared first on CyclingTips .

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