Green GHP: pads for aluminum and ceramic-coated rims. Fits Shimano pad holdersGHP puts Swiss Stop brake pads in a class of their own. This exclusive compound is the product of laboratory knowledge combined with rider feedback. And not just any riders, either. Swiss Stop is proud to be the 'unofficial' choice of many professionals. While the list of riders who choose Swissstop is growing, there's only one reason why - GHP. Extremely long service life and unbeatable performance in wet conditions.