Reliable, durable shifting.
Shimano's Deore RD-M591 Long Cage Rear Derailleur is a bulletproof option for 8 or 9 speed bicycles. It features a light shift effort and Shimano's Double-Servo-Panta mechanism for quick, clean gear changes every time.
Aluminum body construction with steel plates. 34T max sprocket. 22T max front difference. Top-Normal operation.
Available in black (not pictured).
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