Description

ROTOR 4B 110 BCD 12-11s Outer Aero Chainring | Drivetrain Performance Upgrade
Elevate your road cycling performance and gain a competitive edge with the ROTOR 4B 110 BCD Outer Aero Chainring. Engineered for the discerning cyclist who demands maximum efficiency and speed, this chainring is the pinnacle of drivetrain innovation. Expertly designed to slice through the wind, its solid, aerodynamic profile minimizes drag, allowing you to convert every watt of power into forward momentum. This is the perfect upgrade for road racers, time trialists, and triathletes looking to shave seconds off their times and conserve energy over long distances.
Meticulously crafted using a state-of-the-art 100% CNC-machining process, the ROTOR Aero chainring boasts exceptional stiffness and structural integrity. This rigidity prevents flex under the most powerful pedal strokes, ensuring that every ounce of your effort is transferred directly to the drivetrain for immediate acceleration and consistent power delivery. The result is a ride that feels more responsive and efficient, whether you´re sprinting for the finish line or tackling a steep climb. The advanced tooth design guarantees flawless and rapid chain engagement, providing crisp, precise, and reliable shifting across both 12-speed and 11-speed systems. This universal compatibility ensures seamless integration with a wide array of popular chains, making it a versatile and future-proof addition to your bike.
The ROTOR 4B 110 BCD 12-11s Outer Aero Chainring in Black is a high-quality bike part designed for upgrading your bike´s drivetrain. This chainring is compatible with 12 and 11-speed drivetrains and has a BCD (bolt circle diameter) of 110mm, making it suitable for a wide range of cranksets.
Constructed from durable materials, this chainring is built to withstand tough riding conditions and provide long-lasting performance. Its aerodynamic design helps to reduce wind resistance, making it ideal for riders looking to improve their speed and efficiency on the road.
With its sleek black finish, the ROTOR 4B 110 BCD 12-11s Outer Aero Chainring not only performs well but also adds a stylish touch to your bike´s overall appearance. Upgrade your drivetrain with this high-quality chainring and experience improved performance on your rides.
Designed to be the heart of a high-performance drivetrain, this outer chainring is compatible with ROTOR’s modular ALDHU and VEGAST cranks, as well as the INspider power meter, creating a perfectly integrated and aerodynamically optimized system. It also fits any other crankset that utilizes the modern 4-bolt 110 BCD standard, offering a significant performance enhancement for a broad range of road bikes. Choose the ROTOR Aero chainring and experience the perfect fusion of aerodynamic efficiency, lightweight design, and uncompromising stiffness.
Technical Specifications:
* Bolt Circle Diameter (BCD): 110 mm
* Bolt Pattern: 4-Bolt Asymmetric
* Discipline: Road Cycling, Triathlon, Time Trial
* Position: Outer
* Drivetrain Compatibility: 12-speed (12s), 11-speed (11s)
* Chain Compatibility: Optimized for Shimano®, KMC®, and SRAM® 11s and 12s chains
* Crank Compatibility: Compatible with ROTOR ALDHU, VEGAST, INspider, 2INpower, and all other 110×4 BCD cranksets
* Design: Full Aero (Solid Surface) for reduced drag Black