Mtb Bar Bar End Steering Spirgrips Bike Spirgrips was born from the idea of physiotherapist Pascal Badollet, who listened to the complaints of cyclists regarding the pain in his wrists during and after their activity, he invented particular and innovative knobs. They allow the cyclist to benefit from a biomechanical support that mitigates pain and obtains optimal comfort and safety. The mission of Spirgrips is to correct your position so that you can ride in ergonomics and safety.