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Cycling with Ottobock’s C-Leg 4

Posted by Bryan Potok, CPO on

Initially launched in 1997, the C-Leg has been helping individuals maintain and regain their freedom of movement. Now on its fourth and most advanced iteration, the C-Leg 4 features real-time swing and stance phase control combined with strengthened stumble recovery support, which means that you can take every step with greater confidence.

 Amputee riding a mountain bike while using Ottobock's C-Leg 4.

The C-Leg also provides greater mobility as it adapts to all types of walking situations in real-time, whether on level ground, stairs, ramps, or varying surfaces.

Cycling on the C-Leg

The C-Leg makes it possible for prosthetic users to feel safe while spinning or cycling. Courtenay Humphreys, a former police officer who lost his leg above-the-knee in a motorcycle accident, has used the C-Leg’s cycling function to participate in the Prudential Ride London’s Free Cycle in 2018. The sporting event features an eight and a half-mile fun loop through the streets of London.

Humphreys reports an enjoyable overall cycling experience that caught the attention of many fellow cyclists and onlookers, all of whom expressed amazement with the technology.

He got his C-Leg through NHS England’s MPK policy in 2017. Humphreys found the C-Leg much safer compared to his previous mechanical knee. Furthermore, Humphreys reported that the C-Leg gave him greater stability and a more natural gait.

Cycling mode

Setting up the C-Leg for cycling is as easy as pushing a button to change the mode. Below, Aaron Bluhm of Canton demonstrates how he changes the resistance in the leg for different sports activities.


If you're currently wearing a C-Leg 4 and have used the cycling feature, please share your experiences in the comments section below. 

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  • I have a c-leg 4 I. Have an app on my phone which lets me charge from walking mode to bike mode using Bluetooth. Easy as pushing a button.

    Steve on

  • I have a c-leg and they also said I was able to ride a bike, but I’m not able to do so. I went with Ossur.

    Rosa on

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