Shimano 105 R7100 2x12-Speed Mechanical Rear Derailleur Black

The Shimano 105 RD-R7100 rear derailleur is for road bikes with a 12-speed mechanical drivetrain. It suits riders using a double crankset who want precise shifting across 11-34T or 11-36T gearing.

• For 12-speed drivetrains, suitable for CS-R7100 11-34T and 11-36T cassettes
• Handles a double crankset, with a maximum front difference of 16T
• Total capacity of 41T, covering climbs and fast sections
• Lightweight, with an average weight of 249 g and a black finish
• Before ordering, check that your cassette and crankset fall within the stated limits

Technical specifications

• Model: RD-R7100 (RDR7100)
• Speed: 12
• Compatible cassettes: CS-R7100 11-34T / 11-36T
• Largest sprocket: 34T minimum, 36T maximum (with double crankset)
• Maximum front difference: 16T
• Total capacity: 41T
• Average weight: 249 g
• Colour: Black
• Operation: Mechanical
• Groupset: 105

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.