BC-R680 (High-tech gray)
| Series | SHIMANO | ||
|---|---|---|---|
| Model no. | |||
| Color | High-tech gray | ✔ | |
| Black | ✔ | ||
| White | ✔ | ||
| Red | ✔ | ||
| Blue | ✔ | ||
| Lime-green | ✔ | ||
| Orange | ✔ | ||
| Yellow | ✔ | ||
| Brake type | Caliper | ||
| Inner cable | Material | Stainless steel | |
| Coated | Polymer-coated cable | ||
| Outer casing | Material | Steel (plated) | |
| Prelubricated casings | ✔ | ||
| Note | |||