Shimano Dura Ace CS-R9200 Helmets Dome diameter: 34mm

Dome diameter: 34mm

Fixed mounts

Let’s go

emphasizing speed and handling and exceeding the performance of any other Pirelli bicycle tire in this class

Equipped with a quick release mounting bracket

Shimano Dura Ace CS-R9200 Helmets Dome diameter: 34mmThe uninterrupted shifting experience of the DURA ACE R9200 12 speed cassette range lets you climb, sprint, and push your limits without stopping to think about your next gear change, thanks to the larger driving cogs maximizing drivetrain range and efficiency. HYPERGLIDE+ Technology Faster, seamless shifts under maximum pedaling load Refined 12 step gear combination provides peak efficiency and accelerating performance for every situation Available