Can I use a pressure washer? August 13, 2015 15:29 Updated We do not recommend using a pressure washer to clean your SRAM RED eTap groupset. Related articles How hard it is to pair the eTap 2x11 system and get all of the components to recognize each other? Is it safe to leave a derailleur in a bucket of solvent or in a solvent tank? Is SRAM RED eTap waterproof? Do I need to do anything different when washing a bike with SRAM RED eTap? Are there any recommended degreasers I should use with SRAM RED eTap?