Shimano GRX RD-RX820 Rear Derailleur 12 Speed Shadow Plus 36T Take Off Blue Color Black Size M12 x

Color Black Size M12 x 12mm Gender unisex Intended User Age 12 years and over Model Year 2026 Material Components Aluminum

Computer Part Bontrager ANT+/BLE Heart Rate Belt KIt

The Shimano Ultegra ST-R8020 Dual Control Lever paired with the BR-R8070 hydraulic disc brake caliper delivers precise 11-speed mechanical shifting and confident

Helps you see cars

Range 11-25 Cogs 11-13-15-17-19-22-25 Cassette Body Type Shimano HG Drivetrain Speeds 7 Color Black Defined Color Black

Shimano GRX RD-RX820 Rear Derailleur 12 Speed Shadow Plus 36T Take Off Blue Color Black Size M12 xProduct Description The Shimano GRX RD RX820 rear derailleur is built for smooth, secure 12 speed gravel shifting across mixed terrain. Designed around Shimanos GRX gravel platform, it is compatible with 11 34T and 11 36T 12 speed cassettes, giving riders a wide usable range for steep climbs, rolling gravel, and fast mixed surface riding. An integrated chain stabilizer helps reduce chain slap and improve chain security on rough rides, while Shimanos