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Shimano Dura Ace 7800 Chainrings
The Shimano Dura Ace 7800 10 Speed Road Bike Chainring is a replacement chainring for Shimano 10-speed cranks. These chainrings provide super-smooth front shifting with CNC machined ramps and special teeth profiles. This delivers efficient, quiet and quick shifts under heavy loads.
| Teeth | 39T, 53T |
| Chainring BCD | 130mm |
| Bolt Pattern | 5-Bolt |
| Position | 39T Inner, 53T Outer |
| Material | Aluminum |
| Color | Silver |