The RX820 delivers stable shifting performance, quiet and smooth operation even in difficult terrain. Designed for 2x12 speed systems. Adjustable Shimano Shadow RD+ chain stabilizer. Suitable for cassettes with 11-34 and 11-36 tooth gear combinations. Tension range: 42 teeth.
Shadow RD+
Type: GRAVEL, Total package weight: 440g, 12 speed, Shackle type: GS-Long arm, Shadow RD+, Mounting type: Direct mount, Capacity: 42 teeth, Black, Material: Aluminum/Steel
Rooted in simplicity, reliability and adventure, the new 12-speed GRX groupset delivers more shifting options along with unmatched ergonomics. So riders get the most out of every "off-asphalt" adventure, wherever that may be.
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