With redesigned gripper brake hoods the 11-speed compatible ST-R9100 STI units deliver improved ergonomics for better rider comfort and control with reduced lever stroke and lighter action. SIS indexed shifting. 11 speed design. Smaller hoods improve ergonomics from all positions. Release lever stroke reduced by 30% compared to ST-9001. Optional: Shimano Road PTFE Brake Cables and Housing Set, Dura-Ace R9100 SP41 Polymer-Coated Derailleur Cables and Housing Set. Shifting effort up to 47% lower than RD-7900. 43% less effort at the end of the lever stroke than FD-9001 Road.
KEY FEATURES:
- Quick and intuitive rear shifting operation
- Shorter lever stroke
- Redesigned internal shifting unit
- Lighter front shifting operation
- Redesign front system with new front derailleur
- Comfortable grip and operation
- More customizable and precise lever position
- Expanded reach adjustment range (14 mm) Mechanical Brake
- Consistent braking performance in any condition
- Easy brake control for Rim Brake
The all-new Dura-Ace group is the result of 40 years of development and innovation tested to the limit at the highest level of competition in road racing time trials and cyclo-cross. Dura-Ace delivers concentration control and confidence with slick fast accurate performance that you can depend upon without distraction. Dura-Ace now has an 11 speed cassette with numerous gearing options to cover all situations.
Leading edge design materials and construction reduce weight improve stiffness and enhance control. Make sure the gear levers you choose are the correct ones for your rear cassette - use a 11 speed Shimano Cassette.
Shimano are the makers of the world's most well known cycle component brand. Established in 1921 when the first cycle freewheel was forged. Shimano produce drivetrains wheels pedals shoes cycling apparel and pretty much every Shimano cycle accessory you can think of! Famous for their top end products ridden by the pro's Dura-Ace and XTR which cover both road and MTB's. At Shimano they're doing everything they can to respond to heightened environmental concerns. Shimano are proud to be a producer of bicycle components that help people to enjoy outdoor sports and interact with nature through healthy nonpolluting activities. In their 87 plus years of existence Shimano have accumulated a wealth of technology and product development and expertize that serves as the driving force.
