Shimano GRX 400 RD-RX400 2x10-Speed Rear Derailleur

The Shimano GRX RD-RX400 rear derailleur is designed for gravel, cyclocross, city and touring bikes with a 10-speed drivetrain. It pairs with Shimano Road 10-speed shifters.

• For 10-speed drivetrains, compatible with Shimano Road 10-speed shifters
• Handles a cassette up to 36 teeth, useful for long climbs
• Total capacity of 41 teeth for very wide gear combinations
• Steel inner and outer cage plates for a robust rear derailleur
• The package also includes 240 mm gear cable housing

Technical specifications

• Series: GRX RX400
• Speed: 10
• Application: Gravel, cyclocross, city and touring
• Compatibility: Shimano Road 10-speed
• Mount: Standard (Direct Mount compatible)
• Total capacity: 41 teeth
• Largest sprocket (max): 36 teeth
• Largest sprocket (min): 32 teeth
• Jockey wheels: 11 teeth
• Cage material: Steel (inner and outer plates)

Founded in 1921 in Sakai, Japan, by Shozaburo Shimano, Shimano is still based in the same city today. For cyclists, it makes drivetrains, brakes, wheels, pedals and cycling shoes. Its history in bicycle components began with the production of freewheels in 1922.