Straight from the 1980s this Shimano 600EX triple length bottom bracket is of typically high quality and will work with road and touring triples requiring a 124.5 mm axle. 600EX was one of Shimano’s top groupsets through the 1980s and had some excellent parts suitable to a number of disciplines.
- British thread for 68 mm shells
- 124.5 mm axle for triple chainsets
- Model BB-6207
- Made in Japan