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Unbeatable aero performance shaves seconds off your time.

New wider elliptical rim shape.
5 aircraft wing spokes for lower wind resistance.

Engineered stiffness for sharp steering and maximum power transfer.

Wider rim for maximum stiffness.
Monobloc construction.
Woven 3K carbon fiber.

Roll faster with greater efficiency.

Tubular rims and interchangeable QRM cartridge bearings minimize friction.
First introduced in 1996 and continually improved over the past two decades, the iO RIO has won more Olympic track medals than any other wheel in the world.

The latest generation iO delivers an even greater competitive advantage. It features a wider rim to better integrate the slightly larger tubular tires that are popular with track racers. And each of the five spokes has a NACA profile for further improved aerodynamic drag. The new iO is ready to break its own records.

Rims

  • Tire: tubular

Structure

  • 5 aircraft wing shaped spokes
  • Woven carbon fiber
  • Tyre: tubular
  • ETRTO size: 28 tubular

Hubs

  • Body: aluminum
  • Axle material: aluminum
  • Sealed cartridge bearings (QRM)
  • QRM bearing preload technology

Versions

  • Color: Black only

Delivered with

  • Fixing nuts
  • Valve extender
  • Wheelbag
  • User guide

Intended use

  • For a longer longevity of the wheel, Mavic recommends that the total weight supported by the wheels doesn't exceed 120kg, bike included
  • Recommended tire sizes: 18 to 25 mm
  • Max Pressure: see indication on wheel and tire If they differ, use the lowest of the 2

Information on specified weight

  • The weight of the wheels is announced at +/-5%, without lock-nut, nor rim tape (for the clincher wheels)
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General User Guide
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