Hello, up for sale is an NOS unused vintage 90s Sugino XD600 Right (Drive-Side) Front Tandem Crank Arm , made in Japan.  New in the original package with 8mm hex crank bolt. 175mm arm length for standard JIS tapered square-spindled bottom brackets.  Not to be used on the left side of the bike, has standard right-hand 9/16x20 pedal threads to be used on the right side (captain) of tandems only.  Nicely forged and polished on both sides.  No logos, so it goes nicely with any crankset.  $6.00 USPS Ground Advantage shipping with tracking.  Will ship Worldwide with Ebay's Global Shipping.  Thanks for looking!