Shimano Ultegra CS-R8100 12-Speed Cassette 11-34t Silver for Road Cycling Rim Width (internal)_26.7 and effortless screwdriving without removing

and effortless screwdriving without removing the tool from the fastener

controlled via a remote (sold separately)

Designed for intense endurance sports and cool weather conditions

Designed with a screw mechanism inspired by vintage Super Record cranksets from the 1970s

Shimano Ultegra CS-R8100 12-Speed Cassette 11-34t Silver for Road Cycling Rim Width (internal)_26.7 and effortless screwdriving without removingUpgrade your cycling performance with the Shimano Ultegra CS R8101 12 Speed Cassette 11 34t, Silver the ultimate choice for serious road cyclists and racers seeking precision, durability, and seamless shifting. Engineered with advanced materials and innovative Shimano technology, this cassette enhances your bike's drivetrain efficiency and provides smooth, reliable gear transitions under all riding conditions. ### Materials & Construction Constructed