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GRX REAR DERAILLEUR 12s (FOR 11-34/36T)
RD-RX820
GRX REAR DERAILLEUR 12s (FOR 11-34/36T)
RD-RX820

The RD-RX820 is compatible with 11-34T and 11-36T 12-speed cassettes, providing a wide gear range so you can spin a comfortable cadence no matter the terrain type. The SHIMANO GRX 12-speed rear derailleur also features an integrated chain stabilizer that delivers quieter shifting and more secure chain management during rough rides. And the chain tensioner has an ON/OFF switch for outings on smooth surfaces.

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The RD-RX820 is compatible with 11-34T and 11-36T 12-speed cassettes, providing a wide gear range so you can spin a comfortable cadence no matter the terrain type. The SHIMANO GRX 12-speed rear derailleur also features an integrated chain stabilizer that delivers quieter shifting and more secure chain management during rough rides. And the chain tensioner has an ON/OFF switch for outings on smooth surfaces.

FEATURE

・Silent and secure rear shifting on rough terrain

・Adjustable chain stabilizer prevents chain slap and drops

・SHIMANO SHADOW RD+

・Smooth and reliable shifting on mixed surfaces

・ON/OFF stabilizer switch matches terrain

・Maximum front chainring difference: 17T

・Top sprocket: Max. 11T/Min. 11T

・Low sprocket: Max. 36T/Min. 34T

・Total capacity: 42T

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