Shimano Dura-Ace CS-R9100 Cassette

FEATURES

• Super lightweight 11-speed HG-EV cassette with a rigid carbon and alloy carrier for excellent shifting even under the most demanding gear changes
• Hyperglide EV 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 lightweight alloy and carbon carriers to reduce weight and increase rigidity
• 5 largest sprockets are made from titanium to reduce weight without sacrificing strength
• Sprockets are extensively cut away and drilled to further reduce weight without reducing rigidity
• Nickel-plated finish offers hard wearing resistance to corrosion
• Alloy cassette lockring
• For Super Narrow 11-speed HG-EV chains
• Average weight 175 grams for 11-25 tooth

SPECIFICATION

MODEL NO	CS-R9100
Series	DURA-ACE R9100 Series
Average weight	175 (11-25T) 193 (11-28T) 211 (11-30T) 189 (12-25T) 205 (12-28T)
Combination	11-12-13-14-15-16-17*-19*-21*-23*-25*T | 11-12-13-14-15-17-19*-21*-23*-25*-28*T | 11-12-13-14-15-17-19*-21*-24*-27*-30*T | 12-13-14-15-16-17-18*-19*-21*-23*-25*T | 12-13-14-15-16-17-19*-21*-23*-25*-28*T
Combination name (Group name)	11-25T 11-28T 11-30T 12-25T 12-28T
Type	HG-EV
Compatible chain	HG-X11/CN-LG 11-speed
Spider arm_QTY (pcs)	2
Type	HG-EV
Rear speeds	11
Aluminum gear_QTY (pcs)	0
Aluminum spider arm_QTY (pcs)	1
Carbon spider arm_QTY (pcs)	1
Steel gear_QTY (pcs)	6
Titanium gear_QTY (pcs)	5