Sugino Super 75 crank arms

Used and trusted by many of the world's top professional racers, Super 75 crank arms feature S-Cubic (S3) coating and are renowned as being one of the highest quality track cranksets in the world. Requires a 109-111mm ISO square taper bottom bracket (sold separately).   Sugino advises only using mild neutral cleaning agents for Sugino Super Series w/ S3 coating. Liquids and other cleaners which contain acid or alkali will harm the finished surface. Specifications • length: 165, 170mm • 144mm bcd • Q factor: 139mm • Sugino 75 stainless steel knurled chainring bolts included • crank arm bolts & dust caps sold separately • color: S3 Gold • weight: 575g (165mm)