Shimano CS-R7100 105 12-Speed Cassette Product Size:11 - 34 teeth Allows safe mounting of 2

Allows safe mounting of 2 standard threaded CO2 cartridges per bracket

Zinc-Alloy plated outer links

Largest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigidity

resulting in 1/3 faster shift time than Hyperglide systems even under load

Reduced Plastics: 90g less plastics used than in Lazer Bullet 2

Shimano CS-R7100 105 12-Speed Cassette Product Size:11 - 34 teeth Allows safe mounting of 2High performance Hyperglide+ 12 speed 105 Road cassette Hyperglide+ sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load Close ratio gearing allows a more efficient use of energy through finer cadence control Largest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigidity Sprockets are cut away and drilled to further reduce weight