As used by the world’s best track and keirin racers Izumi chains are made in Japan and are the mark of absolute toughness and quality for fixie track and urban bikes.  The Japanese NJS approved Super-Tough is the most formidable chain built for a purpose it looks the part too with a stunning gold and black finish.  Izumi’s Standard 1/2x 1/8 chains are available in Black Silver and Gold at a more affordable price for a funky and functional upgrade to you your urban warrior or track speedster! 1/2 x 1/8 – 106L