Shimano Ultegra CS-R8100 12 Speed Cassette mirror ultra-light cross-country racing tyre that's

ultra-light cross-country racing tyre that's ideal for rides where speed and acceleration are key

This unique shape that provides a perfect profile for female cyclists and maintains structural stability over time

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

lightly treaded design with siping channels for traction and all-weather confidence

Shimano Ultegra CS-R8100 12 Speed Cassette mirror ultra-light cross-country racing tyre that'sDescription 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