Amgen tour of California 2012

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Zipp 303 tubular road wheels

  • Zipp's latest 303 tubulars are now the most versatile model in the range with a feathery light weight, an aerodynamic rim profile, and well proven durability

    Zipp's latest 303 tubulars are now the most versatile model in the range with a feathery light weight, an aerodynamic rim profile, and well proven durability

    Photo credit © James Huang

  • The included skewers work well enough but look somewhat low-budget as compared to the rest of the wheelset

    The included skewers work well enough but look somewhat low-budget as compared to the rest of the wheelset

    Photo credit © James Huang

  • Straight-pull bladed stainless steel Sapim spokes are anchored in widely set flanges

    Straight-pull bladed stainless steel Sapim spokes are anchored in widely set flanges

    Photo credit © James Huang

  • Bearing preload is easily adjustable via the threaded collar

    Bearing preload is easily adjustable via the threaded collar

    Photo credit © James Huang

  • Zipp switched to a radial driveside pattern in order to achieve wider flange spacing - and better lateral wheel stiffness as a result

    Zipp switched to a radial driveside pattern in order to achieve wider flange spacing - and better lateral wheel stiffness as a result

    Photo credit © James Huang

  • Claimed rear hub weight is just 188g. Alloy freehub bodies are easily interchangeable for different drivetrains

    Claimed rear hub weight is just 188g. Alloy freehub bodies are easily interchangeable for different drivetrains

    Photo credit © James Huang

  • Zipp claims the dimpled surface reduces aerodynamic drag relative to a smooth one

    Zipp claims the dimpled surface reduces aerodynamic drag relative to a smooth one

    Photo credit © James Huang

  • The wider rim is optimized for more realistic tire sizes. Larger radius edges reduce the occurrence of pinch flats

    The wider rim is optimized for more realistic tire sizes. Larger radius edges reduce the occurrence of pinch flats

    Photo credit © James Huang

  • The full toroidal rim profile may make the new 303s faster in the wind tunnel but the non-parallel braking surface makes pad setup tricky

    The full toroidal rim profile may make the new 303s faster in the wind tunnel but the non-parallel braking surface makes pad setup tricky

    Photo credit © James Huang

  • One of the keys to the Zipp 303 rim's impressive durability is its uniquely hyper-bulged shape

    One of the keys to the Zipp 303 rim's impressive durability is its uniquely hyper-bulged shape

    Photo credit © Zipp