bottom bracket Shimano 600 Arabesque VIA Japa One Key Release 116 mm BSA / 68 mm
Shimano 600 Arabesquemade in Japan. axle length: 116 mm. 1982 bottom bracket. thread: 1,37 x 24 Tpi / 68 mm. still good rolling,but with small pits on axle. still in good technical condition.