Amgen tour of California 2012

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Powercranks X-Lite

  • The one-way clutch mechanism inside each Powercrank arm guarantees that each leg has to propel itself through the entire pedal stroke. They'll stay 180 degrees out of phase with each other as with normal cranks, but only if your legs make them stay that way

    The one-way clutch mechanism inside each Powercrank arm guarantees that each leg has to propel itself through the entire pedal stroke. They'll stay 180 degrees out of phase with each other as with normal cranks, but only if your legs make them stay that way

    Photo credit © James Huang

  • The chainring spider can fit 130, 135, and 110mm bolt patterns though the compact setup adversely alters the chainline

    The chainring spider can fit 130, 135, and 110mm bolt patterns though the compact setup adversely alters the chainline

    Photo credit © James Huang

  • Adjustable pedal inserts allow for effective crankarm lengths of 165-182.5mm

    Adjustable pedal inserts allow for effective crankarm lengths of 165-182.5mm

    Photo credit © James Huang

  • The straight, non-offset arms may create some ankle clearance issues with some riders

    The straight, non-offset arms may create some ankle clearance issues with some riders

    Photo credit © James Huang

  • Hidden inside each crankarm's massive base is a one-way roller clutch mechanism

    Hidden inside each crankarm's massive base is a one-way roller clutch mechanism

    Photo credit © James Huang

  • They're big, they're heavy, they're gaudy, and they're expensive but Powercranks are still one of more effective training tools we've come across

    They're big, they're heavy, they're gaudy, and they're expensive but Powercranks are still one of more effective training tools we've come across

    Photo credit © James Huang