Bontrager Aeolus RSL Integrated Bar/Stem Combo
OCLV Carbon | Internal Routing | Post-Recall Version
This is one of the fastest cockpit upgrades Bontrager has ever made. The Aeolus RSL bar/stem combo is a proven aero weapon, developed in the wind tunnel and ridden at the highest level of the sport. By fully integrating the bar and stem and hiding all cables, it delivers measurable free speed while keeping weight impressively low.
Wind tunnel tested to save 7 watts, the Aeolus RSL is 10 percent faster than the previous generation, making it a serious upgrade for riders chasing efficiency, clean aesthetics, and outright speed.
These units are post-2022 recall production, bought directly from Trek, and fully covered by Trek’s manufacturer warranty.
Why This Cockpit Matters
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7 watts saved through aerodynamic integration
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OCLV Carbon construction for elite stiffness and low weight
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Integrated bar and stem reduces drag and cleans up the cockpit
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Fully internal cable routing with secure M4 retention system
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VR-C bar shape allows longer reach and deeper drops without discomfort
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Blendr compatible for clean light and computer mounting
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Approved for carbon or alloy steerers
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Post-recall production not subject to any safety issues
Condition and Packaging
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Brand new
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Non retail OEM packaging
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Includes Blendr mono and duo bases with Ion light and Garmin mounts
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Purchased direct from Trek
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Full Trek warranty included
Available Sizes and Weights
These are the only sizes available. Each variation lists the exact weight.
380mm Bar Width
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380 x 80mm stem 279g
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380 x 90mm stem 281g
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380 x 100mm stem 283g
400mm Bar Width
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400 x 80mm stem 281g
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400 x 90mm stem 281g
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400 x 100mm stem 287g
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400 x 110mm stem 289g
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400 x 140mm stem 300g
420mm Bar Width
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420 x 90mm stem 287g
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420 x 100mm stem 292g
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420 x 110mm stem 293g
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420 x 120mm stem 297g
440mm Bar Width
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440 x 100mm stem 297g
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440 x 110mm stem 296g
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440 x 120mm stem 302g
Technical Details
Compatibility Notes
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Designed for modern integrated road builds
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Ideal for Trek Emonda and other fully internal routing frames
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Always confirm frame compatibility before installation