Shimano Ultegra CS-R8100 12 Speed Cassette mirror Width: 140mm

Width: 140mm

Instantly seals punctures up to 6mm and slices up to 19mm long

GPS and/or cameras to your top-of-the-line aero road bike

and EasyRide Tubeless tyres let you run lower pressure for a smoother ride quality and a reduced risk of flats

Shimano Ultegra CS-R8100 12 Speed Cassette mirror Width: 140mmDescription Shimano ULTEGRA CS R8100 12 speed Cassette The Shimano CS R8100 is the suitable cassette for new Ultegra R8100 12 speed group. The most advanced drivetrain is 100 % performance focused and truly revolutionary thanks to the HYPERGLIDE+ technology. THE SCIENCE OF SPEED: Shimano Ultegra 12 speed Cassette CS R8100 Great speed means great responsibility. That's why, faced with the task of making the new ULTEGRA groupset even faster, Shimano