Bontrager Aeolus RSL VR-C Handlebar/Stem

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Available for pre-order now. Expected delivery dates to be confirmed.

This aero upgrade cleans up your cockpit by storing cables securely for a refined look and free speed. The Aeolus RSL bar/stem combo is proven in the wind tunnel to save 7 watts, making it 10% faster than its predecessor. It's light, fast, easy to install and Blendr-compatible for seamless integration of your light or Garmin.

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At a glance:

  • OCLV Carbon construction is ultra-light, compliant and durable
  • Integrated bar/stem design improves aerodynamics and saves weight
  • Proven in the wind tunnel to save 7 watts, making it 10% faster than its predecessor
  • Integrated cable management system held secure with M4 hex bolt, 5 Nm torque
  • Variable Radius Compact (VR-C) design allows longer reach and drop
  • Includes Blendr mono and duo bases with mounts for Ion light and Garmin computer
  • Approved for use with carbon or alloy steerer


  • Stem Rise: -7 deg
  • Drop: 124mm
  • Reach: 100mm
  • Bend: VR-C
  • Weight: from 279g to 302g depending on size
  • (42cm x 100mm quoted weight is 292g).

Serving Suggestion: The light and aero RSL bar/stem makes a perfect pairing with Trek's latest Émonda - shown here.

See the full photoshoot of this example build in our Build Gallery