Hello, up for sale is an NOS unused in original sealed package vintage Shimano 105SC Right (Drive-Side) Crank Arm, made in Japan.  Model # FC-1056.  Champagne-colored 105SC finish, 130mm bolt circle diameter, 170mm arm length for standard JIS tapered square-spindled bottom brackets.  NOS and perfect.  The logos often wore off of these crank arms, a good chance to refresh your classic!   $7.00 USPS Ground Advantage shipping with tracking.  Will ship Worldwide with Ebay's Global Shipping.  Thanks for looking!