Trek Aero RSL Barstem Bearing Top Cover 10-33t High-Quality Pulleys and Damper: Features

High-Quality Pulleys and Damper: Features factory-spec pulleys and dampening components to ensure the drivetrain maintains its original chain tension and shifting accuracy

Spindle Splines: 8

Folds when not in use for compact storage

With seamless integration (likely I-SPEC EV compatible) for a clean and customized cockpit setup

Its foundation is a robust steel barrel and piston

Trek Aero RSL Barstem Bearing Top Cover 10-33t High-Quality Pulleys and Damper: FeaturesThe Trek Aero RSL Low Bearing Top Cover is a genuine replacement part designed to provide a more aggressive, aerodynamic position on your road bike. Specifically built for the RCS headset system, it offers a fit that is 4mm lower than the standard cover, allowing you to slam your stem for a cleaner profile. Integrated Cable Management: This component is optimized for the Aero RSL Barstem, ensuring that all brake hoses and electronic cables remain