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Shimano

Shimano GRX 12SPD Rear Derailleur-RD-RX820

Shimano GRX 12SPD Rear Derailleur-RD-RX820

HK$706.00
HK$706.00
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Shipping calculated at checkout.
  • Quiet and safe rear derailleur for use on rough terrain
  • Adjustable chain stabilizer prevents chain from swinging and falling
  • SHIMANO SHADOW RD+
  • Smooth and stable shifting performance on mixed surfaces
  • Stabilizer switch that can be turned on/off according to the terrain
  • Maximum front chainring difference: 17T
  • High rear sprocket: maximum 11T/minimum 11T
  • Low flywheel sprocket: maximum 36T/minimum 34T
  • Total tooth capacity: 42T
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