Shimano Ultegra R8000 2x11-Speed Cassette 12/25 Teeth

The Shimano Ultegra CS-R8000 cassette is a 11-speed replacement for road bikes, with sprockets from 12 to 25 teeth. It suits riders looking for closely spaced ratios and a lightweight drivetrain.

• Lightweight: weighs 243 g in the 12-25-tooth version
• Closely spaced ratios: 11 sprockets from 12 to 25 teeth
• Steel sprockets and carbon and aluminium spiders
• Aluminium lockring included in the package
• Fits wheels with a Shimano Road (HG) fitting, with a 11-speed chain

Technical specifications

• Model: CS-R8000
• Speed: 11
• Teeth: 12-13-14-15-16-17-18-19-21-23-25
• Weight: 243 g
• Sprockets: Steel
• Lockring: Aluminium, included
• Spider: Carbon / Aluminium
• Freehub fitting: Shimano Road (HG)
• Compatible chains: HG-EV 11-speed, HG-X 11-speed
• Colour: Silver

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.