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Primary Group: Dura-Ace Model: Crane D-501 Years: 1973 - 1976 Country: Japan Weight: 225 grams (avg) Cage Length: Short Shifting Systems: Friction Max Cog Size: 28 |
| With the Crane, Shimano pulled out all the stops in an attempt to make a truly world-class derailleur. It was an all aluminium design with a dropped parallelogram - a world first.
The pulleys had a two part bushing system so that bronze rotated on bronze. Even the springs seemed to have less of a tendency to lose their tension. |
| Condition: Used. Very Good Condition. |