Shimano CASSETTE SPROCKET, CS-R9100, DURA-ACE, 11-SPEED, 11-30 s24carryover Simple maintenance and installation with

Simple maintenance and installation with an inner tube offers a carefree road bike setup

Vents with adjustable zips also offer superior ventilation

The four-buckle closure and Booster Active Power Strap add real stiffness over the previous three-buckle RS

the Leopards are super lightweight

grab Salomon's ADV Skin 12 for the highest level in comfort and performance

Shimano CASSETTE SPROCKET, CS-R9100, DURA-ACE, 11-SPEED, 11-30 s24carryover Simple maintenance and installation withUsing a carbon fiber and alloy spider and five titanium sprockets, the DURA ACE R9100 cassette provides accurate shifting and light weight to the most discerning road cyclists on the planet.