RD-M390 Acera Rear Derailleur 9 Speed 27 Speed MTB Bike Bicycle Derailleur UK

UK 9/27 Speed Rear Derailleur For Mountain Bike Acera RD-M390 M390 MTB Gear. Model: M390. Smooth/easy operation shifting performance. Wide connection design for precise shifting and durability. Wide connection design, dual servo structure, low-key concept.

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