Shimano DURA-ACE FC-7500 crank arm set NJS approved

years: 1982-1984bcd151, L=165mm, pedal threads: 9/16" x 20 (English), BB style: Square Taper (JIS)condition:USED, It's vintage and rare stuff.discontinued product  the list of SAL Economy shipping cost from Japan (no insurance, no tracking number) (There isn't SAL Economy shipping to Taiwan and Vietnam) for AISA: US$7.4 (for Taiwan, Vietnam: US$11.3)for US/AUS/CAN/UK/EURO: US$8.8for SOUTH AMERICA: US$10.2 the list of EMS shipping cost from Japan (include the insurance and tracking number) for AISA: US$15   for US/AUS/CAN: US$20   for UK/EURO: US$24   for SOUTH AMERICA: US$30