Shimano Dura Ace Di2 R9100/r91050 Jockey Wheel Set

Spare parts - Transmission.SHIMANO Dura Ace DI2 R9100/R91050 Pulley Set Jockey wheel.Features:- suitable for road bikes.- 11-speed.SHIMANO Dura-Ace R9100/R9150 11-Speed Jockey Wheel SetRestore the pinnacle of shifting performance and drivetrain efficiency to your elite road bike with the genuine SHIMANO Dura-Ace R9100/R9150 Pulley Set. Designed as a direct factory replacement for the world-class Dura-Ace series, this set is the essential component for maintaining the silent, precise, and lightning-fast gear changes that define the Dura-Ace experience. Over time, jockey wheels wear down, leading to decreased shifting accuracy, increased noise, and added friction. Installing this authentic Shimano replacement set brings your rear derailleur back to its original factory specification, ensuring every watt of your power is transferred to the road.Restore Peak Drivetrain PerformanceExperience a significant reduction in drivetrain friction and a return to whisper-quiet operation. The core of these pulleys are the high-precision, sealed bearings that spin with exceptional smoothness. This meticulous engineering minimizes resistance as the chain travels through the derailleur cage, saving valuable energy on long rides and during maximal efforts. By replacing worn or gritty pulleys, you will immediately notice crisper, more decisive shifting and a quieter, more efficient ride, allowing you to focus purely on your performance.Engineered for Unmatched PrecisionThis is not just a set of wheels, it´s a specifically engineered system. The set includes both a Guide Pulley (G-pulley) and a Tension Pulley (T-pulley), each with a distinct design to optimize chain management. The Guide Pulley features a precise amount of lateral float to perfectly align with the chain as it moves across the cassette, ensuring flawless shifts every time. The Tension Pulley maintains optimal chain tension for secure engagement and smooth running. These high-performance Jockey wheels are the heart of your rear derailleur´s accuracy, and using this genuine SHIMANO part guarantees perfect compatibility and function within the Dura-Ace ecosystem.Don´t compromise the performance of your top-tier groupset with inferior parts. This pulley set is the official service part for both the mechanical Dura-Ace RD-R9100 and the electronic Di2 RD-R9150 rear derailleurs, making it the definitive choice for maintenance and restoration.Technical Specifications:* Product: SHIMANO Dura-Ace Pulley Set* Series: Dura-Ace R9100 / R9150* Compatibility: Specifically designed for SHIMANO Rear Derailleurs RD-R9100 (Mechanical) and RD-R9150 (Di2)* Drivetrain Speed: 11-speed* Pulley Teeth: 11T (11-tooth)* Set Includes: 1x Guide Pulley and 1x Tension Pulley