Maximum Control - Ultimate Speed. The Ergon GDH proves how effective ergonomics can be for a downhill grip. Shape, texture, rubber compounds - every detail of the GDH has been developed to enhance control and speed. The Ergon design team worked closely with Downhill World Champion Vali Holl, and pro riders Troy Brosnan and Fabien Barel to create the pinnacle of downhill- specific grips. All functional zones are 100% purpose-built for the demands of DH while delivering maximum hand relief. From the moment you grip it, you&&';;ll get a locked-in feeling connecting you with your bike. The extra soft GravityControl Rubber compound is Made in Germany and tested by SGS INSTITUT FRESENIUS.