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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
Compatible with both 68mm (road) and 73mm (MTB) bottom bracket shell widths
Clamp Bolt Plate
Spindle Splines: 8
Multiple height adjustments
High-Quality Pulleys and Damper: Features factory-spec pulleys and dampening components to ensure the drivetrain maintains its original chain tension and shifting accuracy
Trek Aero RSL Barstem Bearing Top Cover 10-33t Compatible with both 68mm (road)The 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
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