The lightweight leichtbau direct control rubber ensure ultimate feel and feedback and is available in two sizes the gs series has won world marathon championship 2010 alban lakata and european and british 24hr championship 2011 matt page ergon grips innovative solutions for traditional problems of numb fingers aching hands and forearms problems all too familiar to bikers caused by too much pressure on the highly sensitive areas of the inner palm and potential malpositioning of the han