Shimano Dura Ace R9100

SHIMANO Dura-Ace R9100 11-Speed ChainringElevate your ride with the SHIMANO Dura-Ace R9100 chainring, the pinnacle of road cycling performance. Engineered for ultimate stiffness and lightweight design, its asymmetric 4-arm construction and HOLLOWGLIDE technology ensure optimal power transfer and lightning-fast, precise 11-speed shifting. Dominate climbs and sprints with this durable, race-proven component, trusted by professionals worldwide for an unmatched cycling experience.Achieve the competitive edge you´ve been seeking with a component born from SHIMANO´s relentless pursuit of perfection. The Dura-Ace R9100 chainring is the heart of the flagship road drivetrain, meticulously designed to translate every watt of your effort into pure, unadulterated speed. The iconic asymmetric 4-arm spider design is not merely an aesthetic choice, it is a feat of engineering that provides immense rigidity exactly where it is needed during your pedal stroke, eliminating flex for a direct and responsive feel. This results in superior power transfer, ensuring that no energy is wasted when you launch an attack or power up a steep incline.At the core of its superior shifting performance is SHIMANO´s innovative HOLLOWGLIDE technology. The outer chainring features a unique hollow construction that drastically reduces weight without making any compromises on strength or durability. This lightweight yet incredibly stiff structure, combined with meticulously profiled teeth, allows the chain to engage and disengage with unparalleled speed and smoothness. The result is a flawless, instantaneous gear change every time, even under the extreme torque of a full-gas sprint or while shifting under load on a challenging climb. For any serious road cycling enthusiast, this means confident, reliable, and predictable performance when it matters most.Designed to integrate seamlessly into the DURA-ACE 11s drivetrain, this chainring offers rider-tuned gearing options to match your unique style and the demands of any terrain. Whether you´re a climber, a sprinter, or an all-rounder, the R9100 series provides the perfect setup for unwavering performance. Upgrade your bike with the same world-class technology used by the professional peloton and feel the difference that a truly premium component can make.Technical Specifications:* Brand: Shimano* Discipline: Road Cycling* Speed Compatibility: 11s (11-speed)* Bolt Circle Diameter (BCD): 110 mm* Crank Arm Design: 4-arm Asymmetric* Key Technology: HOLLOWGLIDE (Outer Chainring)* Recommended Chain: HG-EV 11-speed / HG-X11* Chainring Combinations: 50-34T, 52-36T, 53-39T, 54-42T, 55-42T