Deore RD-M591 SGS 9-Speed Rear Derailleur Black

Shimano

<p>Precise shifting on- and off-road. The wide pivot link design boosts strength and rigidity, with quick shifting and crispness over time.</p><ul><li>Bracket body, outer link and plate body are aluminum</li><li>Inner link, outer plate, and plate pivot bolt are steel</li><li>Double Servo-Panta mechanism keeps the guide pulley close to each sprocket, for smooth and precise shifting</li><li>Removable rubber bumper</li><li>Maximum front difference is 22T</li><li>11T pulley</li></ul>

Shimano Deore RD-M591 SGS 9-Speed Rear Derailleur

Braze-on mounting uses fittings permanently mounted to the frame. Collar mounted derailleurs secure around the seat tube with a clamp. Direct mount are fastened to the chainstay.

The maximum number of teeth difference between the smallest and largest chainrings (front derailleur) or cogs (rear derailleur).

One-way friction clutch that increases chain tension, reduces chain and cage movement, and reduces dropped chains. Releases for wheel removal. 

Adventure Awaits! Gear up for your next journey with an extra 10% off select clearance products. Discount applied in-cart.

Additional discount applied in-cart

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Shimano Deore RD-M591 SGS 9-Speed Rear Derailleur

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