Astral Radiant & Radiant Disc Rims

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While much focus tends to fall on rim weight and weight alone, that overlooks the much larger effect aerodynamics has on speed and energy used. Rolf Prima applied their unique experience in the alloy aero rim market to develop the Radiant.

The Astral Radiant combines a 32mm depth with a modern wide tubeless clincher channel to deliver improved aerodynamics and ride comfort.  The Radiant fills a wide range of applications including Gravel, Triathlon, road disc, and track or fixie use.

Drilled for external nipples and available in rim brake or all-black disc brake versions.

All Astral rims are designed and manufactured by Rolf Prima in Bend Oregon. Astral rims are Tubeless Easy compatible for tire installation that can be set up with a floor pump in most cases.

Wheelbuilder can handcraft a custom Astral wheel for almost any application.  Whether you're looking for heavy duty wheels to improve durability, or unique colors and hub combinations to match your style, we can help personalize your next Astral wheelset.  Visit our Custom Astral Road-Gravel-CX Disc Brake Wheels or Custom Astral Road Rim Brake Wheels pages to configure your Astral wheels exactly the way you want. 

Rim Specifications: 

  • Sizes: 700C
  • Internal Width: 19.5mm
  • External Width: 23.5mm
  • Rim Depth: 32mm
  • Tire Type: Tubeless clincher
  • Weight: 495g 
  • ERD: 577mm
  • Brake Type: Rim brake or Disc brake versions available 
  • Hole Counts: 20H, 24H, 28H, 32H
  • Colors: Black

Important (Rim Availability): We stock all sizes of Astral rims, however inventory levels can vary on a daily basis.  If your order is time sensitive we encourage you to contact us for up to the minute product availability and shipping lead times.

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