This unassuming label was attached to a Sun-Bow derailleur.

It indicates that the derailleur was manufactured by 'Yamashita Iron Works Ltd' and had the product number 'YA-100'.

• Publisher: Sun-Bow
• Country: Japan
• Date: 1977?
• Derailleur brands: Sun-Bow, SY
• Derailleurs: Sun-Bow YA100 (1st style), Sun-Bow YA100 (2nd style), Sun-Bow YA100 (3rd style)