ULTEGRA R8100 12-speed cassettes guarantee reliable gear changes for climbs, sprints and leisure rides without worrying about the next gear change. The larger cogs improve drivetrain efficiency and are compatible with Shimano 11- and 12-speed rear hubs.

HYPERGLIDE+ cassettes have revolutionized off-road gear shifting, guaranteeing reliable performance in both directions. Now it's time for a technology that will transform road cycling. Cyclists can change gear ratios even under maximum load on climbs or when racing with colleagues, without stopping pedaling. Shimano ULTEGRA R8150 drivetrains with larger sprockets provide maximum performance in every gear ratio, and are compatible with the now available HYPERGLIDE rear hubs. The ULTEGRA CS-R8100 12-speed cassettes set a new standard for changing gears on road bikes.

• Improved combination of 12 gears guarantees maximum performance and acceleration in any racing situation
• Faster, smoother gear changes with maximum pedaling power
• Compatible with new 12-speed and 11-speed road rear hubs

MODEL NO.

• CS-R8100-12

GROUP

• ULTEGRA R8100 Group

Average weight

• 345 (11-34T)

Combination

• 11–12–13–14–15–16–17–19–21–24–27–30T | 11–12–13–14–15–17–19–21–24–27–30–34T

Combination name (group name)

• 11-34T

Type

• HYPERGLIDE+

Compatible chain

• HG 12 rows

Aluminum disc_Quantity (pcs.)

• 0

Aluminum spider arm_Quantity (pcs.)

• 2

Steel disc_Quantity (pcs.)

• 12

Titanium disc_Quantity (pcs.)

• 0