Andale Carlos Ribeiro Pro Single Skateboard Bearings. Features: Carlos Ribeiro Signature Pro Bearings. Stickers Included. Premium Pro Rated Andale Bearings Designed and Tested by Carlos to withstand the wear and abuse of daily skateboarding. G5 precision ball bearings for a true roll and higher speeds. High carbon, chromium alloy bearing steel races for high strength to resist cracking and contact rolling fatigue. Removable frictionless rubber shields for easy cleaning.