Easton EC90 SL tubular wheels

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  Easton's EC90 SL carbon tubular wheels are lightweight but also reassuringly durable

  Photo credit © James Huang

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  Each set of wheels comes with the required nipple driver and superb SwissStop Yellow King pads

  Photo credit © James Huang

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  Front hub bearing adjustment is brutally simple - just turn the adjusting collar by hand and you're done

  Photo credit © James Huang

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  Both the front and rear hub shells sport smooth profiles and hybrid ceramic bearings

  Photo credit © James Huang

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  The R4SL alloy freehub body's group-specific spline patterns save as much weight as possible. Though this Shimano 10spd version looks fairly standard, the SRAM Red driver's midsection is completely barren

  Photo credit © James Huang

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  The rear hub's bearing adjustment requires you to loosen the end caps first

  Photo credit © James Huang

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  Straight-pull spokes anchor into the alloy rear hub shell with a radial/cross pattern

  Photo credit © James Huang

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  The V-shaped tire bed leaves a prominent groove for tubular tire seams

  Photo credit © James Huang

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  Hidden nipples make for a stronger rim by virtue of the smaller spoke holes required but obviously can make truing a tedious process once the tires are glued on

  Photo credit © James Huang

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  The 38mm rim depth offers an aero advantage over most box-section wheels without being too much to handle in crosswinds

  Photo credit © James Huang

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