Shimano Ultegra CS-R8100 12s 11-30T CassetteThe seamless shifting experience of the ULTEGRA R8100 12-speed cassette range allows you to climb, sprint or flatten without stopping to think about your next gear change. Larger cogs maximize drivetrain efficiency and create compatibility with Shimano's 11-speed and 12-speed FREEHUB bodies. Shimano Ultegra CS-R8100 12s 11-30T CassetteThe seamless shifting experience of the ULTEGRA R8100 12-speed cassette range allows you to climb, sprint or flatten without stopping to think about your next gear change. Larger cogs maximize drivetrain efficiency and create compatibility with Shimano's 11-speed and 12-speed FREEHUB bodies.HYPERGLIDE cassettes revolutionized off-road gear shifting with their fluid shifting, both upshifting and downshifting. Now is the time for technology to change road cycling. Even during all-out efforts on a climb or racing with friends, riders no longer need to back up to make a change. In any gear, ULTEGRA R8150 drivetrains maximize efficiency thanks to larger sprockets while maintaining compatibility with existing HYPERGLIDE rear hub bodies. All upping to 12 gears, the ULTEGRA CS-R8100 cassettes are the new paradigm in road shifting.Characteristics

• - Refined 12-step gear combination provides maximum efficiency and acceleration performance for every racing situation
• - Faster and smoother shifts with maximum pedaling force
• - Compatible with the new 12-speed and 11-speed road REAR HUB body

Product specifications

• - Model No.: CS-R8100-12
• - Ultegra Series: R8100 Series
• - Average weight: 291 (11-30D)
• - Type: HYPERGLIDE
• - Rear speeds: 12
• - 12-speed HG compatible chain
• - Combination Name (Group Name) 11-30D
• - Combination|1 11-12-13-14-15-16-17-19-21-24-27-30D
• - Aluminum crosspiece|Quantity (pieces): 2
• - Titanium Gear|Quantity (pieces): 0
• - Aluminum gear|Quantity (pieces): 0
• - Steel Gear|Quantity (pieces): 12