Thanks to its SHIMANO SHADOW design, the SHIMANO ALIVIO M3100 rear derailleur has a flat profile that allows aggressive driving and reduces the risk of hitting obstacles.

With its sophisticated technology, the SHIMANO SHADOW RD rear derailleur is especially suitable for a more aggressive riding style. The extremely minimized profile brings a number of advances. Thanks to its flat design and single preload construction, the rear derailleur will not strike the chain stay even in the roughest conditions. The rear derailleur works cleanly and quietly.

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