Enduro 61903 (6903) ABEC-5 radial bearing for compatible bicycle components. Dimensions are 17 × 30 × 7 mm (bore × outside diameter × width).
| Feature | Specification |
|---|---|
| Model | 61903 (6903) |
| Precision grade | ABEC-5 |
| Bore | 17 mm |
| Outside diameter | 30 mm |
| Width | 7 mm |